The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-166-9957, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-166-9957 |
| Primary Part Number | 9039238 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3132 INCHES MINIMUM AND 0.3139 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.3115 INCHES MINIMUM AND 0.3118 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| First End Taper Length | 0.062 INCHES NOMINAL IN |
| First End Location | SHORT SHANK END |
| Second End Taper Angle | 30.0 DEGREES NOMINAL |
| First End Style | CHAMFERED |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.594 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS6320 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Taper Length | 0.094 INCHES NOMINAL IN |
| First End Taper Angle | 30.0 DEGREES NOMINAL |
| Second End Relationship with First End | NOT IDENTICAL |
| Shoulder Diameter | 0.375 INCHES NOMINAL IN |
| Second Shank Length | 1.000 INCHES NOMINAL IN |
| Second End Style | CHAMFERED |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5315-00-166-9957 is a Pin,shoulder,headless, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-166-9957 has 2 manufacturer part numbers on file: 9039238 (General Motors Corp), 9039238 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 9039238: Shank Diameter: 0.3132 INCHES MINIMUM AND 0.3139 INCHES MAXIMUM IN; Second Shank Diameter: 0.3115 INCHES MINIMUM AND 0.3118 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; First End Taper Length: 0.062 INCHES NOMINAL IN. 18 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.