The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-323-3340, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-323-3340 |
| Primary Part Number | 4076817 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Head Height | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Thread Length | 0.525 INCHES NOMINAL IN |
| Material Document and Classification | PWA 96,CAGE77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | TEE NO. 6 |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.435 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Head Length | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Grip Diameter | 0.2488 INCHES MINIMUM AND 0.2493 INCHES MAXIMUM IN |
| Chamfer Angle | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY OVERALL |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 4076817 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4076817 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 5306PL0894782 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-323-3340 is a Bolt,close Tolerance, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-323-3340 has 2 manufacturer part numbers on file: 4076817 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4076817 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4076817: Surface Finish: 32.0 MICROINCHES GRIP; Head Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Thread Length: 0.525 INCHES NOMINAL IN. 17 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.