- Home /
- FSC NSN Catalog /
- Nuts and Washers /
- 21056
NSN 21056
Nut,plain,castellated,hexagon
0.448 inches minimum and 0.458 inches maximum nut height, steel comp 3140 or steel comp 2330 or steel comp 4135 or steel comp 4140 or steel comp 4037 overall material, sae assn std 1st material response or sae assn std 2nd material response or sae assn std 3rd material response or sae assn std 4th material response or aisi assn std 5th material response overall material document and classification, 0.438 inches nominal thread size, washer faced bearing surface type.
NSN 5310-00-274-7731 Datasheet
- (NSN) National Stock Number
- 5310-00-274-7731
- (FSG) Federal Supply Group
- 53 - Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5310 - Nuts and Washers
- (NIIN) National Item Identification Number
- 00-274-7731
- Requires Demilitarization
- Yes
- (INC) Item Name Code
- 01854
- Date
- Sun, Jan 1, 1961
- Bearing Surface Type
- washer faced
- Material Document And Classification
- sae assn std 1st material response or sae assn std 2nd material response or sae assn std 3rd material response or sae assn std 4th material response or aisi assn std 5th material response overall
- Material
- steel comp 3140 or steel comp 2330 or steel comp 4135 or steel comp 4140 or steel comp 4037 overall
- Nominal Thread Size
- 0.438 inches
- Nut Height
- 0.448 inches minimum and 0.458 inches maximum
- Nut Style
- castellated, hexagon
- Thread Class
- 3b
- Thread Direction
- right-hand
- Thread Quantity Per Inch
- 20
- Thread Series
- unf
- Width Across Flats
- 0.612 inches minimum and 0.625 inches maximum
Identification
- Demilitarization Code
- A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
- Precious Metals Indicator
- U - Precious metal content is unknown
- Hazardous Metals Indicator
- N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
- Pseudo Item Name Code
- 0001854
Cross Reference
CAGE Codes
- 95201
-
Napco International Llc Dba Napco International IncU.s./canadian manufacturers
- 00638
-
Trio Laboratories IncU.s./canadian manufacturers
- 12156
-
0mcc IncU.s./canadian manufacturers
- 23094
-
Ocean Technology IncU.s./canadian manufacturers
- 1ML14
-
Brinkley Technology Group Llc Dba Hercules ManufacturingU.s./canadian manufacturers
- 28265
-
Hercules Engine Co IncU.s./canadian manufacturers
- 44369
-
O K Machinery Div of Motter John C Printing Press CoU.s./canadian manufacturers
- 52984
-
Cyclone Drill CoU.s./canadian manufacturers
- 54845
-
Hoist Liftruck Mfg IncU.s./canadian manufacturers
- 80072
-
H20 Tank Inc U S Motors DivU.s./canadian manufacturers
- 89749
-
Clark Material Handling CompanyU.s./canadian manufacturers
- 93742
-
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies IncU.s./canadian manufacturers
- 78640
-
Mitsubishi Caterpillar Forklift America, IncU.s./canadian manufacturers
- 58275
-
Sasco Inc Canadian DivU.s./canadian manufacturers
- 12603
-
Clark Equipment CoU.s./canadian manufacturers
- 05415
-
Linde Lift Truck Corp.U.s./canadian manufacturers
- 556A6
-
Linde Material Handling North America CorporationU.s./canadian manufacturers
- 89926
-
New Holland ConstructionU.s./canadian manufacturers
- 77237
-
Dana off Highway Products, LlcNon-manufacturers
- 73782
-
Towmotor Corp Dallas Plant Sub of Caterpillar Tractor CoU.s./canadian manufacturers
Freight Information
- Air Commodity
- BZ -
- Air Dimension
- A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
- National Motor Freight Class Rating
- W - Rating variable
- Special Handling
- 9 - Other or no special handling required (sh)
- Type of Cargo
- Z - No special type of cargo code applicable
- Uniform Freight Classification Item Number
- 48950
- Water Commodity
- 573 - Bolts or nuts (iron or steel),(less than 35 feet)
- National Motor Freight Classification Item Number
- 093486
Questions & Answers
-
What is the FSCG of the NSN 5310-00-274-7731?
The FSCG of the NSN 5310-00-274-7731 is 5310
-
Does NSN 5310-00-274-7731 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
-
Does NSN 5310-00-274-7731 contain precious materials?
Precious metal content is unknown
-
Does NSN 5310-00-274-7731 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
-
When the NSN 5310-00-274-7731 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961
Pricing & Availability
Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.
Stock Checks
-
3040-01-263-228810/14/2026 04:10 PM EDTShouldered Shaft1 in stock
-
5320-01-258-605810/14/2026 04:10 PM EDTBlind Rivet12,890 in stock
-
5307-01-158-170710/14/2026 04:10 PM EDTSpecial Stud995 in stock
-
5306-01-044-220110/14/2026 04:10 PM EDTEye Bolt2 in stock
-
5950-01-375-511410/14/2026 04:10 PM EDTPower Transformer5 in stock
-
5930-01-480-979910/14/2026 04:10 PM EDTToggle Switch1 in stock
-
4510-00-252-688810/14/2026 04:10 PM EDTDouble Faucet438 in stock
-
5999-01-030-681710/14/2026 12:10 PM EDTSquelch Amplifier1 in stock
-
5310-01-316-795010/14/2026 12:10 PM EDTLock Washer4 in stock
-
5310-01-463-314710/14/2026 12:10 PM EDTFlat Washer3,056 in stock
-
5342-01-280-555210/14/2026 12:10 PM EDTSpecial Cap6 in stock
-
5306-01-098-377710/14/2026 12:10 PM EDTMachine Bolt1,851 in stock
-
2995-01-292-446910/14/2026 12:10 PM EDTSpecial Adapter26 in stock
-
5340-01-022-330110/14/2026 12:10 PM EDTFlush Catch4 in stock
-
1240-00-818-447610/14/2026 08:10 AM EDTOptical Instrument Headrest3 in stock
Recent Updates
-
6210-00-008-550610/13/2026 08:10 AM EDTLight LensIn Indoor and Outdoor Electric Lighting Fixtures
-
6210-00-008-550710/13/2026 08:10 AM EDTLight LensIn Indoor and Outdoor Electric Lighting Fixtures
-
6210-00-008-550810/13/2026 08:10 AM EDTLight LensIn Indoor and Outdoor Electric Lighting Fixtures
-
6210-00-008-550410/13/2026 08:10 AM EDTLight LensIn Indoor and Outdoor Electric Lighting Fixtures
-
6210-00-008-550510/13/2026 08:10 AM EDTLight LensIn Indoor and Outdoor Electric Lighting Fixtures
-
1660-00-008-538210/12/2026 08:10 AM EDTHeat Exchanger Valve PistonIn Pressurizing Equipment, Heating and Aircraft Air Conditioning
-
1660-00-008-538310/12/2026 08:10 AM EDTFlat Valve DiaphragmIn Pressurizing Equipment, Heating and Aircraft Air Conditioning
-
4730-00-008-538510/12/2026 08:10 AM EDTPressure Hole PlugIn Hose, Pipe, Tube, Lubrication and Railing Fittings
-
1660-00-008-538610/12/2026 08:10 AM EDTValve Body AssemblyIn Pressurizing Equipment, Heating and Aircraft Air Conditioning
-
1660-00-008-538710/12/2026 08:10 AM EDTCabin Air Valve GuideIn Pressurizing Equipment, Heating and Aircraft Air Conditioning
-
5342-00-007-006710/09/2026 08:10 AM EDTWeapon System Resilient MountIn Weapon System Hardware
-
5330-00-007-007010/09/2026 08:10 AM EDTPacking RetainerIn Packing and Gasket Materials
-
5310-00-007-007610/09/2026 08:10 AM EDTHexagon NutIn Nuts and Washers
-
5310-00-007-007810/09/2026 08:10 AM EDTKey WasherIn Nuts and Washers
-
5935-00-007-075810/09/2026 08:10 AM EDTElectr Receptacle Connector BodyIn Electrical Connectors
Popular Categories
-
FSC 5325Fastening Devices
-
FSC 5865Counter-Countermeasures and Quick Reaction Capability Equipment Electronic Countermeasures
-
FSC 1240Optical Sighting and Ranging Equipment
-
FSC 6635Physical Properties Testing and Inspection
-
FSC 5962Electronic Microcircuits
-
FSC 8010Paints, Dopes, Varnishes and Related Products
-
FSC 1840Space Vehicle Launchers Fsc 1840
-
FSC 2050Buoys
-
FSC 2230Railroad Right-of-Way Construction and Maintenance Equipment
-
FSC 3910Conveyors
-
FSC 7290Miscellaneous Household and Commercial Furnishings and Appliances
-
FSC 5915Filters and Networks
-
FSC 5140Tool and Hardware Boxes
-
FSC 1127Nuclear Rockets
-
FSC 9105Electric Power Generation as a Supply