The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-184-0138, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-184-0138 |
| Primary Part Number | 500908 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| First Step Diameter | 0.562 INCHES NOMINAL IN |
| First End Location | THREADED END |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2,.0004MX FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Third Step Diameter | 0.459 INCHES NOMINAL IN |
| Thread Length | 0.425 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Second Step Length | 0.545 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | MIL-S-5000,COND. C-1 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Second Step Diameter | 1.600 INCHES NOMINAL IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL IN |
| First Step Length | 1.100 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Second End Style | RADIUS |
| Thread Class | 3A A |
| Material | STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNF |
| Third Step Length | 0.560 INCHES NOMINAL 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 |
|---|---|
| 500908 PRIMARY | Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana (USA) |
| Reference | Meaning |
|---|---|
| 500908 | 5/9 Secondary reference Bfm Energy Products Corp |
NSN 5315-01-184-0138 is a Pin,shoulder,headless, manufactured by Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-184-0138 has 1 manufacturer part number on file: 500908 (Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-448-8573. Verify interchangeability with system specifications before substitution.
Key specifications for 500908: Surface Finish: 125.0 MICROINCHES OVERALL; First Step Diameter: 0.562 INCHES NOMINAL IN; First End Location: THREADED END; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2,.0004MX FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 22 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.