The Bolt,shoulder, cataloged under National Stock Number 5306-01-323-9204, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is M.s. Aerospace Inc. Dba Ms Aerospace Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-323-9204 |
| Primary Part Number | 4071145 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | M.s. Aerospace Inc. Dba Ms Aerospace Inc |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Fastener Length | 2.755 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN |
| Shoulder Length | 1.895 INCHES MINIMUM AND 1.905 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.452 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 7471 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | TEE NO. 6 |
| Thread Direction | RIGHT-HAND |
| Head Length | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Chamfer Angle | 44.0 DEGREES MINIMUM AND 46.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.590 INCHES NOMINAL FIRST HOLE IN |
| 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 |
|---|---|
| 4071145 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4071145 PRIMARY | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 4071145 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1499451 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-323-9204 is a Bolt,shoulder, manufactured by M.s. Aerospace Inc. Dba Ms Aerospace Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-323-9204 has 3 manufacturer part numbers on file: 4071145 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4071145 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 4071145 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4071145: Head Height: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Fastener Length: 2.755 INCHES MINIMUM AND 2.775 INCHES MAXIMUM IN; Shoulder Length: 1.895 INCHES MINIMUM AND 1.905 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.