The Spacer,sleeve, cataloged under National Stock Number 5365-01-490-5591, 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 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-490-5591 |
| Primary Part Number | 701-4323732 SH 34 PC 145 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 1.5000 INCHES NOMINAL IN |
| Body Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-S-20166, GR M MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.7031 INCHES NOMINAL IN |
| Flange Width | 0.2500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 701-6938562 SH 1 PC 36 | Naval Sea Systems Command (USA) |
| 701-4323732 SH 34 PC 145 PRIMARY | Naval Sea Systems Command (USA) |
| 701-6938586 SH 1 PC 29 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4323732 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5365-01-490-5591 is a Spacer,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-490-5591 has 3 manufacturer part numbers on file: 701-6938562 SH 1 PC 36 (Naval Sea Systems Command), 701-4323732 SH 34 PC 145 (Naval Sea Systems Command), 701-6938586 SH 1 PC 29 (Naval Sea Systems Command).
Key specifications for 701-4323732 SH 34 PC 145: Surface Finish: 250.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 1.5000 INCHES NOMINAL IN; Body Outside Diameter: 1.0000 INCHES NOMINAL IN. 9 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.