The Pin,straight,headless, cataloged under National Stock Number 5315-00-481-6957, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-481-6957 |
| Primary Part Number | 532371-2 |
| Item Name | Pin,straight,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES OUTSIDE DIAMETER |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | SQUARE |
| First Hole Diameter | 0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Hardness Rating | 56.0 ROCKWELL C NOMINAL OVERALL |
| Material Document and Classification | QQ-S-763 CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pin Overall Diameter | 0.1870 INCHES MINIMUM AND 0.1873 INCHES MAXIMUM IN |
| Pin Overall Length | 1.010 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Center to Center Distance Between Holes | 0.820 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.080 INCHES MINIMUM AND 0.100 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 |
|---|---|
| 532371-2 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 532371-2 | 5/9 Secondary reference Moog Military Aircraft Llc |
| 532371-2 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 532371-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-481-6957 is a Pin,straight,headless, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-481-6957 has 1 manufacturer part number on file: 532371-2 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-642-1728. Verify interchangeability with system specifications before substitution.
Key specifications for 532371-2: Surface Finish: 32.0 MICROINCHES OUTSIDE DIAMETER; Hole Arrangement Style: BOTH END DRILLED; First End Style: SQUARE; First Hole Diameter: 0.065 INCHES MINIMUM AND 0.070 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.