The Bolt,shoulder, cataloged under National Stock Number 5306-01-448-3373, 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 16 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-448-3373 |
| Primary Part Number | 4082897 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 0.915 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN |
| Shoulder Length | 0.506 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.306 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.417 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | SAE AS4877 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SQUARE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.465 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 185000 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| 4082897 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4082897 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4082897 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1504573 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-448-3373 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-448-3373 has 3 manufacturer part numbers on file: 4082897 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4082897 (Rtx Corporation Div Pratt & Whitney), 4082897 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 4082897: Head Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 0.915 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN; Shoulder Length: 0.506 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.306 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.