The Screw,close Tolerance, cataloged under National Stock Number 5305-01-651-9735, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-651-9735 |
| Primary Part Number | NAS7404-17 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES FASTENER |
| Head Height | 0.111 INCHES MAXIMUM IN |
| Fastener Length | 1.417 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Material Document and Classification | AMS6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS6415 OR AMS6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR AMS6322,AMS6325 OR AMS6327 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| Single Shear Strength | ERR-060 |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | FLUSH |
| Thread Direction | RIGHT-HAND |
| Point Style | OVAL |
| Specification/standard Data | 80205-NAS7400 THRU NAS7416 NATIONAL STD/SPEC |
| Grip Length | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | CRUCIFORM RIBBED |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.456 INCHES MINIMUM AND 0.508 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 |
|---|---|
| NAS7404-17 | Lockheed Martin Corporation (USA) |
| Reference | Meaning |
|---|---|
| NAS7404-17 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-651-9735 is a Screw,close Tolerance, manufactured by Lockheed Martin Corporation, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-651-9735 has 1 manufacturer part number on file: NAS7404-17 (Lockheed Martin Corporation).
Key specifications for NAS7404-17: Surface Finish: 32.0 MICROINCHES FASTENER; Head Height: 0.111 INCHES MAXIMUM IN; Fastener Length: 1.417 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-416,TYPE II,CLASS 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.