The Pin Sheave, cataloged under National Stock Number 5315-01-040-6554, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Smith-Berger Marine, Inc. 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.
| Item Name | Pin Sheave |
| FSC / FSG | 5315 — Nails, Machine Keys, and Pins (FSG 53) |
| Manufacturers | Smith-Berger Marine, Inc (CAGE 15950) |
| Parameter | Value |
|---|---|
| NSN | 5315-01-040-6554 |
| Primary Part Number | 3183B |
| Item Name | Pin Sheave |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Smith-Berger Marine, 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 |
|---|---|
| 3183B PRIMARY | Smith-Berger Marine, Inc (USA) |
NSN 5315-01-040-6554 is a Pin Sheave, manufactured by Smith-Berger Marine, Inc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-040-6554 has 1 manufacturer part number on file: 3183B (Smith-Berger Marine, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-118-3197. 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.