- Home /
- FSC NSN Catalog /
- Electrical Hardware and Supplies /
- 256-021
NSN 256-021
Knockout Reducing Washer
A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
5975-01-666-7845, knockout reducing washer.
NSN 5975-01-666-7845 Datasheet
- (NSN) National Stock Number
- 5975-01-666-7845
- (FSG) Federal Supply Group
- 59 - Electrical and Electronic Equipment Components
- (FSC) Federal Supply Classification
- 5975 - Electrical Hardware and Supplies
- (NIIN) National Item Identification Number
- 01-666-7845
- Requires Demilitarization
- Yes
- (INC) Item Name Code
- 06937
- Date
- Wed, Sep 20, 2017
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
- S - Item contains silver.
- Hazardous Metals Indicator
- P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
- Pseudo Item Name Code
- 0006937
Cross Reference
CAGE Codes
- 06324
-
Glenair, Inc.U.s./canadian manufacturers
Freight Information
- Air Commodity
- HZ -
- 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
- 95100
- Water Commodity
- 713 - Metal hardware
- National Motor Freight Classification Item Number
- 194120
Questions & Answers
-
What is the FSCG of the NSN 5975-01-666-7845?
The FSCG of the NSN 5975-01-666-7845 is 5975
-
Does NSN 5975-01-666-7845 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 5975-01-666-7845 contain precious materials?
Item contains silver.
-
Does NSN 5975-01-666-7845 contain hazardous materials?
Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
-
When the NSN 5975-01-666-7845 was assigned to the Federal Catalog?
It was assigned 9 years ago, on Wed, Sep 20, 2017
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
-
5935-01-615-011710/06/2026 04:10 PM EDTElectrical Receptacle Connector1 in stock
-
1560-01-614-532810/06/2026 04:10 PM EDTAircraft Structural Plate1 in stock
-
5930-01-495-846210/06/2026 04:10 PM EDTPressure Switch3 in stock
-
5306-01-471-744310/06/2026 04:10 PM EDTShear Bolt38 in stock
-
4020-00-003-629310/06/2026 04:10 PM EDTFibrous Rope116 in stock
-
4730-01-282-507710/06/2026 04:10 PM EDTTube Coupling4 in stock
-
1560-01-216-565810/06/2026 04:10 PM EDTAircraft Windshield Panel1 in stock
-
4730-01-349-062510/06/2026 04:10 PM EDTTube Coupling Nut Assembly3 in stock
-
5970-00-147-567510/06/2026 04:10 PM EDTElectrical Insulation Tape9 in stock
-
3120-00-661-541810/06/2026 04:10 PM EDTSleeve Bushing3,801 in stock
-
5826-01-492-835710/06/2026 04:10 PM EDTRadio Navigation Transmitter17 in stock
-
5305-00-946-834010/06/2026 12:10 PM EDTSocket Head Cap Screw965 in stock
-
4730-01-015-134710/06/2026 04:10 PM EDTTube to Boss Tee77 in stock
-
5310-00-176-633310/06/2026 12:10 PM EDTHexagon Self-Locking Nut13,596 in stock
-
4730-00-502-896310/06/2026 12:10 PM EDTTube Reducer110 in stock
Recent Updates
-
5995-00-006-971810/06/2026 08:10 AM EDTElectrical Cord AssemblyIn Wire Assemblies: Communication Equipment, Cord and Cable
-
5995-00-006-972010/06/2026 08:10 AM EDTRadio Frequency Cable AssemblyIn Wire Assemblies: Communication Equipment, Cord and Cable
-
5330-00-006-972210/06/2026 08:10 AM EDTGasketIn Packing and Gasket Materials
-
5985-00-006-972310/06/2026 08:10 AM EDTNo Name AvailableIn Related Equipment, Waveguides and Antennas
-
5998-00-006-972610/06/2026 08:10 AM EDTCircuit Card AssemblyIn Electrical and Electronic Assemblies, Boards, Cards and Associated Hardware
-
1325-00-008-533310/05/2026 08:10 AM EDTBomb FuzeIn Bombs
-
6135-00-008-534110/05/2026 08:10 AM EDTNonrechargeable BatteryIn Nonrechargeable Batteries
-
5331-00-008-532410/05/2026 08:10 AM EDTO-RingIn O-Ring
-
1325-00-008-533710/05/2026 08:10 AM EDTUtility BombIn Bombs
-
6135-00-008-534010/05/2026 08:10 AM EDTBatteryIn Nonrechargeable Batteries
-
5305-00-006-940810/02/2026 08:10 AM EDTMachine ScrewIn Screws
-
9330-00-006-938710/02/2026 08:10 AM EDTObservation WindowIn Plastics Fabricated Materials
-
8030-00-006-939110/02/2026 08:10 AM EDTCoating CompoundIn Preservative and Sealing Compounds
-
5935-00-006-939410/02/2026 08:10 AM EDTElectrical Receptacle ConnectorIn Electrical Connectors
-
5935-00-006-939610/02/2026 08:10 AM EDTElectrical Receptacle ConnectorIn Electrical Connectors
Popular Categories
-
FSC 1850Space Vehicle Handling and Servicing Equipment Fsc 1850
-
FSC 1430Guided Missile Remote Control Systems
-
FSC 6640Laboratory Equipment and Supplies
-
FSC 7490Miscellaneous Office Machines
-
FSC 6675Mapping Instruments, Surveying and Drafting
-
FSC 5445Prefabricated Tower Structures
-
FSC 3408Machining Centers and Way-Type Machines
-
FSC 5826Airborne Radio Navigation Equipment
-
FSC 3416Lathes
-
FSC 6150Miscellaneous Electric Power and Distribution Equipment
-
FSC 6210Indoor and Outdoor Electric Lighting Fixtures
-
FSC 9540Nonferrous Base Metal Structural Shapes
-
FSC 6033Fiber Optic Photo Detectors
-
FSC 6605Navigational Instruments
-
FSC 6099Miscellaneous Fiber Optic Components