The Pin,straight,headless, cataloged under National Stock Number 5315-00-050-5166, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. 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 | 5315-00-050-5166 |
| Primary Part Number | 505166 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| First End Taper Length | 0.156 INCHES NOMINAL IN |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.173 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| First End Taper Angle | 15.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.7470 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN |
| Pin Overall Length | 2.688 INCHES MINIMUM AND 2.698 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.173 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 2.103 INCHES NOMINAL IN |
| Material | STEEL COMP 1117 OR STEEL COMP 1118 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.293 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 |
|---|---|
| 505166 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5315-00-050-5166 is a Pin,straight,headless, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-050-5166 has 1 manufacturer part number on file: 505166 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-454-1889. Verify interchangeability with system specifications before substitution.
Key specifications for 505166: First End Taper Length: 0.156 INCHES NOMINAL IN; Hole Arrangement Style: BOTH END DRILLED; First End Style: CHAMFERED; First Hole Diameter: 0.173 INCHES NOMINAL 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.