The Screw,assembled Washer, cataloged under National Stock Number 5305-00-206-8745, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-206-8745 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Primary Washer Outside Diameter | 0.205 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Thread Length | 0.240 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Primary Washer Style | FLAT INTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.010 INCHES NOMINAL IN |
| Internal Drive Style | CROSS RECESS TYPE II |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 48 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| Head Diameter | 0.200 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SP1351-4-4 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 89-040515-51 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| SD1351-4-4 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
| 1351-4-4 | 3/9 Design control — primary reference Itw Shakeproof Automotive Products |
| SH1351-4-4 | 5/9 Secondary reference Itw Shakeproof Automotive Products |
NSN 5305-00-206-8745 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-00-494-9351. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-206-8745: Fastener Length: 0.250 INCHES NOMINAL IN; Primary Washer Outside Diameter: 0.205 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN; Thread Length: 0.240 INCHES MINIMUM IN; Nominal Thread Diameter: 0.112 INCHES IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.