The Screw,assembled Washer, cataloged under National Stock Number 5305-01-676-6979, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-676-6979 |
| Primary Part Number | 70-2730196-1010B |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc |
| Status | ACTIVE |
| Head Height | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Fastener Length | 0.625 INCHES NOMINAL IN |
| Secondary Washer Relationship to Primary Washer | NOT IDENTICAL |
| Primary Washer Outside Diameter | 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN |
| Thread Length | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | AMS-QQ-S-763A CL 302, CONDITION B ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER A |
| Material Document and Classification | NAS-35338 NATIONAL STD SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Secondary Washer Style | SPLIT HELICAL RING |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN |
| Primary Washer Style | FLAT |
| Primary Washer Material Thickness | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Secondary Washer Outside Diameter | 0.337 INCHES MAXIMUM IN |
| Surface Treatment | BLACK CHEMICAL FINISH OVERALL |
| Internal Drive Style | CROSS RECESS TYPE II |
| Thread Class | 2A A |
| Secondary Washer Material Thickness | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | STEEL FASTENER |
| Material | STEEL CORROSION RESISTING PRIMARY WASHER |
| Material | STEEL CORROSION RESISTING LOCKING FEATURE |
| Thread Series Designator | UNF |
| Washer Quantity | 2 |
| Head Diameter | 0.357 INCHES MINIMUM AND 0.373 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 |
| Part Number | Manufacturer |
|---|---|
| 70-2730196-1010B | General Dynamics Mission Systems, Inc. (USA) |
| 70-2730196-1010B PRIMARY | Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc (USA) |
NSN 5305-01-676-6979 is a Screw,assembled Washer, manufactured by Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-676-6979 has 2 manufacturer part numbers on file: 70-2730196-1010B (General Dynamics Mission Systems, Inc.), 70-2730196-1010B (Cdp Fastener Group, Inc. Dba Cdp Fastener Group Inc).
Key specifications for 70-2730196-1010B: Head Height: 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN; Fastener Length: 0.625 INCHES NOMINAL IN; Secondary Washer Relationship to Primary Washer: NOT IDENTICAL; Primary Washer Outside Diameter: 0.433 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN. 24 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.