The Screw,close Tolerance, cataloged under National Stock Number 5305-01-691-3307, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-691-3307 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.080 INCHES NOMINAL IN |
| Fastener Length | 0.933 INCHES MINIMUM AND 0.963 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MS-QQ-P-416, TYPE II, CLASS 2. BOLTS ARE NOT TO BE PICKLED. IMMEDIATELY AFTER PLATING (WITHIN 1 HOUR), BAKE AT 375 +/- 25 DEG FOR A MINIMUM OF 23 HOURS ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.323 INCHES NOMINAL IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6382 ASSN STD 1ST MATERIAL RESPONSE OR AMS6415 OR 6484 ASSN STD 2ND MATERIAL RESPONSE OR AMS6322, 6325, OR 6327 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.1900 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 80205-NAS2832 THRU NAS2840 NATIONAL STD/SPEC |
| Grip Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | OFFSET CRUCIFORM (TORQUE SET) |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.377 INCHES MINIMUM AND 0.385 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 |
| Reference | Meaning |
|---|---|
| NAS2833-10T | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-691-3307 is a Screw,close Tolerance, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-691-3307: Head Height: 0.080 INCHES NOMINAL IN; Fastener Length: 0.933 INCHES MINIMUM AND 0.963 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MS-QQ-P-416, TYPE II, CLASS 2. BOLTS ARE NOT TO BE PICKLED. IMMEDIATELY AFTER PLATING (WITHIN 1 HOUR), BAKE AT 375 +/- 25 DEG FOR A MINIMUM OF 23 HOURS ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.323 INCHES NOMINAL IN. 20 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.