The Bolt,shoulder, cataloged under National Stock Number 5306-01-320-6391, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-320-6391 |
| Primary Part Number | 4069549 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.095 INCHES NOMINAL IN |
| Head Height | 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN |
| Fastener Length | 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN |
| Shoulder Length | 1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER IN |
| Extended Washer Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.3405 INCHES MINIMUM AND 0.3420 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.370 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 7477 ASSN STD SINGLE MATERIAL RESPONSE AND PWA-S-7477,CAGE77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.4375 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 | X |
| Part Number | Manufacturer |
|---|---|
| 4069549 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1499281 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-320-6391 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-320-6391 has 1 manufacturer part number on file: 4069549 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4069549: Extended Washer Thickness: 0.095 INCHES NOMINAL IN; Head Height: 0.373 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN; Fastener Length: 1.677 INCHES MINIMUM AND 1.697 INCHES MAXIMUM IN; Shoulder Length: 1.245 INCHES MINIMUM AND 1.265 INCHES MAXIMUM FIRST SHOULDER 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.