The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-714-9319, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-714-9319 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Fastener Length | 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-C-320, CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | AMS-QQ-C-320, CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE THREADS |
| Surface Treatment Document and Classification | AMS-QQ-P-416, TYPE II, CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE HEAD |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Material Document and Classification | AMS6349 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS6382 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS6415 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS6484 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS6322 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | MIL-DTL-18240 MIL SPEC SINGLE MATERIAL RESPONSE AND QPL-18240 MFR REF SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Nominal Thread Diameter | 0.2500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.429 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM GRIP |
| Surface Treatment | CADMIUM HEAD |
| Surface Treatment | CHROMIUM THREADS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Material | PLASTIC NYLON LOCKING FEATURE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS6204C6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-714-9319 is a Bolt,close Tolerance, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-714-9319: Head Height: 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Fastener Length: 0.735 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-C-320, CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE GRIP; Surface Treatment Document and Classification: AMS-QQ-C-320, CLASS 2 NATIONAL STD SINGLE TREATMENT RESPONSE THREADS. 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.