The Screw,assembled Washer, cataloged under National Stock Number 5305-00-021-2555, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Borgwarner Pds (anderson), L.l.c.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-021-2555 |
| Primary Part Number | 1961565 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Borgwarner Pds (anderson), L.l.c. |
| Status | ACTIVE |
| Head Height | 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Fastener Length | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | +45-M,FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Primary Washer Outside Diameter | 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN |
| Thread Length | 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Nonmachine Thread Style | WIDE FLUTE (TYPE T) |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | PAN NO. 2 |
| Primary Washer Style | DOME INTERNAL TEETH |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.020 INCHES MINIMUM AND 0.025 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Washer Quantity | 1 |
| Head Diameter | 0.306 INCHES MINIMUM AND 0.322 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 |
|---|---|
| 1961565 PRIMARY | Borgwarner Pds (anderson), L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 1961565 | 5/9 Secondary reference General Motors Corp Delco Remy Div |
NSN 5305-00-021-2555 is a Screw,assembled Washer, manufactured by Borgwarner Pds (anderson), L.l.c., classified under FSC 5305, Screws. Status: active.
NSN 5305-00-021-2555 has 1 manufacturer part number on file: 1961565 (Borgwarner Pds (anderson), L.l.c.).
Key specifications for 1961565: Head Height: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN; Fastener Length: 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Surface Treatment Document and Classification: +45-M,FSCM 16764 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Primary Washer Outside Diameter: 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM IN. 19 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.