The Screw,assembled Washer, cataloged under National Stock Number 5305-01-044-3003, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-01-044-3003 |
| Primary Part Number | A33330 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nonstandard Thread Pitch Diameter | +0.1596 TO 0.1629 INCHES IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Washer Quantity | 1 |
| 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 |
|---|---|
| SR0178/4 | Devonport Royal Dockyard Limited, Devonport Royal Dockyard (GBR) |
| 33330 | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| A33330 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| Reference | Meaning |
|---|---|
| 33330 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 5305-01-044-3003 is a Screw,assembled Washer, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-044-3003 has 3 manufacturer part numbers on file: SR0178/4 (Devonport Royal Dockyard Limited, Devonport Royal Dockyard), 33330 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), A33330 (Ingersoll-Rand Company Dba Ingersoll-Rand).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-512-3266. Verify interchangeability with system specifications before substitution.
Key specifications for A33330: Thread Direction: RIGHT-HAND; Nonstandard Thread Pitch Diameter: +0.1596 TO 0.1629 INCHES IN; Surface Treatment: CADMIUM OR ZINC OVERALL; Internal Drive Style: CROSS RECESS TYPE 1. 7 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.