The Pin,cotter, cataloged under National Stock Number 5315-01-366-1407, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 3 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 | 5315-01-366-1407 |
| Primary Part Number | 53117-A1 |
| Item Name | Pin,cotter |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Style Designator | HAMMER LOCKHAMMER LOCK |
| Diameter | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Underloop Length | 0.625 INCHES NOMINAL0.625 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 |
|---|---|
| 53117-A1 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
NSN 5315-01-366-1407 is a Pin,cotter, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-366-1407 has 1 manufacturer part number on file: 53117-A1 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-496-5261. Verify interchangeability with system specifications before substitution.
Key specifications for 53117-A1: Style Designator: HAMMER LOCKHAMMER LOCK; Diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; Underloop Length: 0.625 INCHES NOMINAL0.625 INCHES NOMINAL IN. 3 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.