The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-128-5255, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-128-5255 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Status | ACTIVE |
| Shank Diameter | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Surface Finish | 250.0 MICROINCHES BOTH ENDS |
| Surface Finish | 63.0 MICROINCHES ALL OTHER SURFACES |
| First End Taper Length | 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| First End Style | CHAMFERED |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Shoulder Diameter | 0.2204 INCHES MINIMUM AND 0.2208 INCHES MAXIMUM IN |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 4130 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3039T15P01 | 3/2 Design control — primary reference U.S. Government activity |
| 3039T15P01 | 5/9 Secondary reference U.S. Government activity |
| 10122993 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-01-128-5255 is a Pin,shoulder,headless, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
Key specifications for 5315-01-128-5255: Shank Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Surface Finish: 250.0 MICROINCHES BOTH ENDS; Surface Finish: 63.0 MICROINCHES ALL OTHER SURFACES; First End Taper Length: 0.020 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN. 16 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.