The Pin,cotter, cataloged under National Stock Number 5315-00-021-7973, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Rexnord Holdings Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5315-00-021-7973 |
| Primary Part Number | XAT515 |
| Item Name | Pin,cotter |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Rexnord Holdings Inc |
| Status | ACTIVE |
| Style Designator | STANDARD |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Underloop Length | 1.250 INCHES NOMINAL IN |
| Material | STEEL COMP 1008 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 |
|---|---|
| XAT515 PRIMARY | Rexnord Holdings Inc (USA) |
| Reference | Meaning |
|---|---|
| 217973 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 217973 | 5/9 Secondary reference General Motors Corp |
NSN 5315-00-021-7973 is a Pin,cotter, manufactured by Rexnord Holdings Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-021-7973 has 1 manufacturer part number on file: XAT515 (Rexnord Holdings Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-483-6370. Verify interchangeability with system specifications before substitution.
Key specifications for XAT515: Style Designator: STANDARD; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.250 INCHES NOMINAL IN; Surface Treatment: CADMIUM OR ZINC OVERALL. 6 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.