The Screw,machine, cataloged under National Stock Number 5305-01-186-9075, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Corp Electronic Systems Defensive System Div. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-186-9075 |
| Primary Part Number | 324591-1 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Northrop Grumman Corp Electronic Systems Defensive System Div |
| Status | ACTIVE |
| Fastener Length | 0.375 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-764 FED SPEC ALL MATERIAL RESPONSES |
| Screw Material | STEEL |
| 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 |
|---|---|
| 324591-1 PRIMARY | Northrop Grumman Corp Electronic Systems Defensive System Div (USA) |
| Reference | Meaning |
|---|---|
| 324591-1 | 5/1 Secondary reference Aero-Mechanical Engineering, Inc |
| 324591-1 | 5/1 Secondary reference Jaco Engineering |
NSN 5305-01-186-9075 is a Screw,machine, manufactured by Northrop Grumman Corp Electronic Systems Defensive System Div, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-186-9075 has 1 manufacturer part number on file: 324591-1 (Northrop Grumman Corp Electronic Systems Defensive System Div).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-352-0229, 1710-01-378-5582. Verify interchangeability with system specifications before substitution.
Key specifications for 324591-1: Fastener Length: 0.375 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-764 FED SPEC ALL MATERIAL RESPONSES; Screw Material: STEEL. 3 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.