The Screw,machine, cataloged under National Stock Number 5305-01-340-6340, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp. Government technical data includes 15 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 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 | 5305-01-340-6340 |
| Primary Part Number | 25635-013 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp |
| Status | ACTIVE |
| Head Height | 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Screw Surface Treatment | NICKEL |
| Fastener Length | 0.437 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Thread Length | 0.375 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Screw Surface Treatment Document and Classification | QQ-N-290 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 |
|---|---|
| 25635-013 PRIMARY | Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp (USA) |
| 02862 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| 25635-013 | Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA) |
NSN 5305-01-340-6340 is a Screw,machine, manufactured by Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-340-6340 has 3 manufacturer part numbers on file: 25635-013 (Accurate Precision Fastener Corp. Div Accurate Precision Fasteners Corp), 02862 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 25635-013 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company).
1 possible match (shared part number, not a government interchangeability claim): 5133-01-561-6775. Verify interchangeability with system specifications before substitution.
Key specifications for 25635-013: Head Height: 0.096 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Screw Surface Treatment: NICKEL; Fastener Length: 0.437 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN; Thread Length: 0.375 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN. 15 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.