The Shim, cataloged under National Stock Number 5365-01-357-1741, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5365-01-357-1741 |
| Primary Part Number | SK56Y21-92-1 SIZE B-005 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Thickness | 0.005 INCHES NOMINAL IN |
| Material | STEEL COMP 304 OR STEEL COMP 302 |
| 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 |
|---|---|
| 0B00520 | Igs Industries Inc (USA) |
| SK56Y21-92-1 SIZE B-005 PRIMARY | Naval Sea Systems Command (USA) |
| B-005 | International Mechanical Shim Corp Dba San Diego Shim and Algnmt Co (USA) |
| Reference | Meaning |
|---|---|
| 922929 | 5/9 Secondary reference Mars Technologies Inc Dba American Metals Company |
NSN 5365-01-357-1741 is a Shim, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-357-1741 has 3 manufacturer part numbers on file: 0B00520 (Igs Industries Inc), SK56Y21-92-1 SIZE B-005 (Naval Sea Systems Command), B-005 (International Mechanical Shim Corp Dba San Diego Shim and Algnmt Co).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-429-6241. Verify interchangeability with system specifications before substitution.
Key specifications for SK56Y21-92-1 SIZE B-005: Overall Thickness: 0.005 INCHES NOMINAL IN; Material: STEEL COMP 304 OR STEEL COMP 302. 2 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.