The Pin,cotter, cataloged under National Stock Number 5315-00-491-7573, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-491-7573 |
| Primary Part Number | 1S686 |
| Item Name | Pin,cotter |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | STANDARD |
| Material Document and Classification | 1E359,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.125 INCHES NOMINAL IN |
| Underloop Length | 1.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Point Type | EXTENDED PRONG MITRE END |
| 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 |
|---|---|
| 1S686 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 1S0686 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 5315-00-491-7573 is a Pin,cotter, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-491-7573 has 1 manufacturer part number on file: 1S686 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 1S686: Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: STANDARD; Material Document and Classification: 1E359,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.125 INCHES NOMINAL IN. 7 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.