The Bolt,shoulder, cataloged under National Stock Number 5306-00-308-2941, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-308-2941 |
| Primary Part Number | 176773 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Fastener Length | 1.570 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN |
| Shoulder Length | 1.137 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.256 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.438 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.740 INCHES MINIMUM AND 0.760 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 |
| Part Number | Manufacturer |
|---|---|
| 176773 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-00-308-2941 is a Bolt,shoulder, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-308-2941 has 1 manufacturer part number on file: 176773 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 176773: Head Height: 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN; Fastener Length: 1.570 INCHES MINIMUM AND 1.580 INCHES MAXIMUM IN; Shoulder Length: 1.137 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.256 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST SHOULDER IN. 15 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.