The Screw,machine, cataloged under National Stock Number 5305-00-075-2163, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-075-2163 |
| Primary Part Number | 2596371 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Head Height | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Screw Surface Treatment | CADMIUM |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Screw Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.250 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL COMP 1020 |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.241 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 2596371 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 588.10-000000-017 | Diehl Defence Gmbh & Co. Kg (DEU) |
| Reference | Meaning |
|---|---|
| 10124961 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-00-075-2163 is a Screw,machine, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-075-2163 has 2 manufacturer part numbers on file: 2596371 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 588.10-000000-017 (Diehl Defence Gmbh & Co. Kg).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-428-8963. Verify interchangeability with system specifications before substitution.
Key specifications for 2596371: Head Height: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Screw Surface Treatment: CADMIUM; Fastener Length: 0.250 INCHES NOMINAL IN; Screw Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE. 16 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.