The Pin,cotter, cataloged under National Stock Number 5315-00-121-8043, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pin,cotter |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Brp Us Inc (CAGE 1UVT5) |
| Parameter | Value |
|---|---|
| NSN | 5315-00-121-8043 |
| Primary Part Number | 309955 |
| Item Name | Pin,cotter |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 309955 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 309955 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
| 309955 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 309955 | C/1 Advisory reference — outside the item-of-supply concept Evinrude Motors Product Group of Outboard Marine Corp |
NSN 5315-00-121-8043 is a Pin,cotter, manufactured by Brp Us Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-121-8043 has 1 manufacturer part number on file: 309955 (Brp Us Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5905-00-474-8164, 5330-01-283-9333. Verify interchangeability with system specifications before substitution.
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.