The Pin,straight,headless, cataloged under National Stock Number 5315-00-964-3879, 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 13 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 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 | 5315-00-964-3879 |
| Primary Part Number | 78946 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES OUTSIDE DIAMETER |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | SQUARE |
| First Hole Diameter | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.1225 INCHES MINIMUM AND 0.1230 INCHES MAXIMUM IN |
| Pin Overall Length | 1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OR CHROMIUM OVERALL |
| Material | STEEL COMP 440C OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.065 INCHES MINIMUM AND 0.075 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 | F |
| Part Number | Manufacturer |
|---|---|
| 78946 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5315-00-964-3879 is a Pin,straight,headless, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-964-3879 has 1 manufacturer part number on file: 78946 (Triumph Engine Control Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 1730-01-107-8982. Verify interchangeability with system specifications before substitution.
Key specifications for 78946: Surface Finish: 8.0 MICROINCHES OUTSIDE DIAMETER; Hole Arrangement Style: BOTH END DRILLED; First End Style: SQUARE; First Hole Diameter: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN. 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.