The Pin,straight,headless, cataloged under National Stock Number 5315-01-128-5252, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-128-5252 |
| Primary Part Number | 103859 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES OUTSIDE DIAMETER |
| First End Style | CHAMFERED |
| Material Document and Classification | AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 4.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM |
| Pin Overall Diameter | 0.2501 INCHES MINIMUM AND 0.2503 INCHES MAXIMUM IN |
| Pin Overall Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Style | RADIUS |
| Material | STEEL COMP 302 OVERALL |
| Second End Corner Radius | 0.032 INCHES MINIMUM AND 0.063 INCHES MAXIMUM 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 |
|---|---|
| 103859 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 10122991 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-01-128-5252 is a Pin,straight,headless, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-128-5252 has 1 manufacturer part number on file: 103859 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-633-1934. Verify interchangeability with system specifications before substitution.
Key specifications for 103859: Surface Finish: 16.0 MICROINCHES OUTSIDE DIAMETER; First End Style: CHAMFERED; Material Document and Classification: AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; First End Taper Angle: 4.0 DEGREES MINIMUM AND 12.0 DEGREES MAXIMUM. 10 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.