The Screw,assembled Washer, cataloged under National Stock Number 5305-00-993-0650, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-993-0650 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Fastener Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Primary Washer Outside Diameter | 0.348 INCHES NOMINAL IN |
| Thread Length | 0.469 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | BINDING |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.031 INCHES NOMINAL IN |
| Surface Treatment | NICKEL FASTENER |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY FASTENER |
| Material | PLASTIC POLYAMIDE NYLON PRIMARY WASHER |
| Thread Series Designator | UNF |
| Washer Quantity | 1 |
| Head Diameter | 0.300 INCHES MINIMUM AND 0.325 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 |
|---|---|
| 7098-0160 | C/1 Advisory reference — outside the item-of-supply concept Iet Labs Inc |
| SCBR10-32-1-2 | 5/9 Secondary reference Genrad Inc |
| 7098-0160 | 3/9 Design control — primary reference Genrad Inc |
NSN 5305-00-993-0650 is a Screw,assembled Washer, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-993-0650: Head Height: 0.057 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN; Fastener Length: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN; Primary Washer Outside Diameter: 0.348 INCHES NOMINAL IN; Thread Length: 0.469 INCHES MINIMUM IN. 18 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.