The Shim, cataloged under National Stock Number 5365-01-288-0583, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-288-0583 |
| Primary Part Number | RB31189-01 |
| Item Name | Shim |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| Status | ACTIVE |
| Style Designator | SQUARE |
| Material Document and Classification | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 302 |
| Construction | ONE-PIECE |
| 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 |
|---|---|
| RB31189-01 PRIMARY | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA) |
| Reference | Meaning |
|---|---|
| RB31189-01 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-01-288-0583 is a Shim, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-288-0583 has 1 manufacturer part number on file: RB31189-01 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
Key specifications for RB31189-01: Style Designator: SQUARE; Material Document and Classification: QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 0.570 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN; Special Features: HAS A ROUND APERTURE W/0.281 IN. DIA. LOCATED 0.210 IN. FROM APERTURE CENTER TO EDGE OF SHIM ALONG LENGTH AND CENTRALLY LOCATED ALONG WIDTH IN. 4 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.