The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-541-5625, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-541-5625 |
| Primary Part Number | 3D0258C4-5-12 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.249 INCHES NOMINAL IN |
| Second Shank Diameter | 0.249 INCHES NOMINAL IN |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| First End Taper Length | 0.030 INCHES NOMINAL IN |
| First End Location | CHAMFERED END |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | ONE END DRILLED |
| Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.075 INCHES NOMINAL IN |
| Shank Length | 0.312 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| 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 End Outer Radius | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Second Shank Length | 1.000 INCHES NOMINAL IN |
| Shoulder Width Across Flats | 0.438 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | ROUND |
| Thread Class | 3A A |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Centerline of Hole to End of Pin | 0.140 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 |
|---|---|
| 3D0258C4-5-12 PRIMARY | Hi-Shear Corporation (USA) |
| 3D0258C4-5-12 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 3D0258C4-5-12 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3D0258C4-5-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| 3D0258C4-5-12 | 3/2 Design control — primary reference U.S. Government activity |
| 3D0258C4-5-12 | 5/2 Secondary reference U.S. Government activity |
NSN 5315-01-541-5625 is a Pin,shoulder,headless, manufactured by Hi-Shear Corporation, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-541-5625 has 4 manufacturer part numbers on file: 3D0258C4-5-12 (Hi-Shear Corporation), 3D0258C4-5-12 (Sps Technologies, Llc Dba PB Fasteners), 3D0258C4-5-12 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3D0258C4-5-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for 3D0258C4-5-12: Shank Diameter: 0.249 INCHES NOMINAL IN; Second Shank Diameter: 0.249 INCHES NOMINAL IN; Surface Finish: 125.0 MICROINCHES OVERALL; First End Taper Length: 0.030 INCHES NOMINAL IN. 26 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.