The Pin,straight,headless, cataloged under National Stock Number 5315-01-128-5251, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-128-5251 |
| Primary Part Number | 103858 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| First End Taper Length | 0.070 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Material Document and Classification | AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM |
| Pin Overall Diameter | 0.3126 INCHES MINIMUM AND 0.3128 INCHES MAXIMUM IN |
| Pin Overall Length | 0.690 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL COMP 302 OVERALL |
| 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 |
|---|---|
| 103858 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 10122990 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-01-128-5251 is a Pin,straight,headless, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-128-5251 has 1 manufacturer part number on file: 103858 (Triumph Engine Control Systems Llc).
Key specifications for 103858: First End Taper Length: 0.070 INCHES NOMINAL IN; First End Style: CHAMFERED; Material Document and Classification: AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; First End Taper Angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM. 8 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.