The Spacer,ring, cataloged under National Stock Number 5365-00-591-4602, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Renwil Machine Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-00-591-4602 |
| Primary Part Number | 164B7179P1 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Renwil Machine Corp |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES OVERALL |
| Outside Diameter | 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Overall Thickness | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Hardness Rating | 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.280 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Material | STEEL COMP 416 |
| 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 |
|---|---|
| 164B7179P1 | Renwil Machine Corp (USA) |
| Reference | Meaning |
|---|---|
| 164B7179P1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-00-591-4602 is a Spacer,ring, manufactured by Renwil Machine Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-591-4602 has 1 manufacturer part number on file: 164B7179P1 (Renwil Machine Corp).
Key specifications for 164B7179P1: Surface Finish: 63.0 MICROINCHES OVERALL; Outside Diameter: 0.372 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Overall Thickness: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Hardness Rating: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. 7 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.