The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-312-1189, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 23 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 | 5315-01-312-1189 |
| Primary Part Number | 75A304241-2001 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Shank Diameter | 0.2500 INCHES NOMINAL IN |
| Second Shank Diameter | 0.489 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| First End Taper Length | 0.040 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | PS13001,CAGEC 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.620 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Shank Length | 0.875 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.560 INCHES NOMINAL IN |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Second Shank Length | 0.930 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.680 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Tip Radius | 0.090 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Thread Class | 3A A |
| Material | STEEL COMP 304 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 |
|---|---|
| 75A304241-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5315-01-312-1189 is a Pin,shoulder,headless, manufactured by The Boeing Company Div Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-312-1189 has 1 manufacturer part number on file: 75A304241-2001 (The Boeing Company Div Defense).
Key specifications for 75A304241-2001: Shank Diameter: 0.2500 INCHES NOMINAL IN; Second Shank Diameter: 0.489 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN; First End Taper Length: 0.040 INCHES NOMINAL IN; First End Location: THREADED END. 23 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.