The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-326-0634, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Sterling Machine Company, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5315-01-326-0634 |
| Primary Part Number | 2003T38P01 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Sterling Machine Company, Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Second Shank Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| First End Location | BOTH ENDS |
| First End Style | SQUARE |
| Hardness Rating | 50.0 ROCKWELL C MINIMUM OVERALL |
| Shank Length | 0.453 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5631 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.4068 INCHES MINIMUM AND 0.4070 INCHES MAXIMUM IN |
| Second Shank Length | 0.453 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN |
| Material | STEEL COMP 440A OVERALL A |
| 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 |
|---|---|
| 2003T38P01 | Sterling Machine Company, Inc. (USA) |
| 2003T38P01 | Caprice Engineering Company, Inc. (USA) |
| 2003T38P01 | Columbia Helicopters, Inc. Dba Columbia Helicopters Inc (USA) |
| Reference | Meaning |
|---|---|
| 2003T38P01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5315-01-326-0634 is a Pin,shoulder,headless, manufactured by Sterling Machine Company, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-326-0634 has 3 manufacturer part numbers on file: 2003T38P01 (Sterling Machine Company, Inc.), 2003T38P01 (Caprice Engineering Company, Inc.), 2003T38P01 (Columbia Helicopters, Inc. Dba Columbia Helicopters Inc).
Key specifications for 2003T38P01: Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Second Shank Diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; First End Location: BOTH ENDS. 13 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.