The Spacer,straight, cataloged under National Stock Number 5365-01-660-2230, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Spacer,straight |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689); Naval Sea Systems Command (CAGE 53711) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-660-2230 |
| Primary Part Number | 581-6405752 FIND NO AHNA-B11 |
| Item Name | Spacer,straight |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| C611-1405 FN AHNA-B11 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 581-6405752 FIND NO AHNA-B11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| C611-1405 FIND NO AHNA-B11 | 5/2 Secondary reference U.S. Government activity |
| 6111405-B11 | 5/2 Secondary reference U.S. Government activity |
| 581-6405752 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5365-01-660-2230 is a Spacer,straight, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-660-2230 has 2 manufacturer part numbers on file: C611-1405 FN AHNA-B11 (Huntington Ingalls Inc Div Newport News Shipbuilding), 581-6405752 FIND NO AHNA-B11 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-660-2291. 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.