- Home /
- FSC NSN Catalog /
- Screws /
- 420989
NSN 420989
Assembled Washer Screw
slot internal drive style, round head style, 0.160 inches minimum and 0.175 inches maximum head height, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.443 inches minimum and 0.472 inches maximum head diameter.
NSN 5305-00-042-0989 Datasheet
- (NSN) National Stock Number
- 5305-00-042-0989
- (FSG) Federal Supply Group
- 53 - Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 - Screws
- (NIIN) National Item Identification Number
- 00-042-0989
- Requires Demilitarization
- Yes
- (INC) Item Name Code
- 06660
- Date
- Tue, Jan 1, 1963
- Schedule B Code
- 7318152000
- Fastener Length
- 0.344 inches minimum and 0.375 inches maximum
- Head Diameter
- 0.443 inches minimum and 0.472 inches maximum
- Head Height
- 0.160 inches minimum and 0.175 inches maximum
- Head Style
- round
- Internal Drive Style
- slot
- Material Document And Classification
- unable to decode
- Material
- unable to decode
- Nominal Thread Diameter
- 0.250 inches
- Primary Washer Outside Diameter
- 0.460 inches minimum and 0.475 inches maximum
- Primary Washer Style
- flat external teeth
- Primary Washer Material Thickness
- 0.023 inches minimum and 0.028 inches maximum
- Surface Treatment Document And Classification
- Surface Treatment
- Thread Class
- 2a
- Thread Direction
- right-hand
- Thread Length
- 0.244 inches minimum and 0.344 inches maximum
- Thread Quantity Per Inch
- 20
- Thread Series Designator
- unified national coarse (unc)
- Washer Quantity
- 1
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
- 0006660
Cross Reference
CAGE Codes
- 21450
-
Army Weapons Command Attn Amswe-Ree-SMilitary standards and standards organizations (ex:stanags,milspecs,defstans)
- A00AM
-
E.c.a Etablissement Central des Approvisionnements des Forces Armees RoyalesMilitary standards and standards organizations (ex:stanags,milspecs,defstans)
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
- 713 - Metal hardware
- National Motor Freight Classification Item Number
- 093486
Schedule B & Trade
- Schedule B
- 7318-15-2000
- Description
- bolts and bolts and their nuts or washers exported in the same shipment
- End Use
- 12110 - Iron and steel products, other
- Unit of Quantity
- KG
- USDA
- Yes
- (SITC) Standard International Trade Classification
- 69421
- (NAICS) North American Industrial Classification System
- 332722
Questions & Answers
-
What is the FSCG of the NSN 5305-00-042-0989?
The FSCG of the NSN 5305-00-042-0989 is 5305
-
Does the NSN 5305-00-042-0989 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
-
Does NSN 5305-00-042-0989 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 5305-00-042-0989 contain precious materials?
Precious metal content is unknown
-
Does NSN 5305-00-042-0989 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 5305-00-042-0989 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
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 2940Nonaircraft Engine Air and Oil Filters, Strainers and Cleaners
-
FSC 3605Food Products Machinery and Equipment
-
FSC 3835Petroleum Production and Distribution Equipment
-
FSC 6006Attenuators
-
FSC 8540Toiletry Paper Products
-
FSC 5340Commercial Hardware
-
FSC 5341Brackets
-
FSC 8945Oils and Fats Food
-
FSC 1540Gliders
-
FSC 6655Geophysical Instruments
-
FSC 6670Scales and Balances
-
FSC 7520Office Devices and Accessories
-
FSC 5325Fastening Devices
-
FSC 3920Nonself-Propelled Material Handling Equipment
-
FSC 7640Maps, Atlases, Charts and Globes