The Spacer,ring, cataloged under National Stock Number 5365-01-331-1524, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Rc Displays Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-331-1524 |
| Primary Part Number | 37431-3 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Rockwell Collins, Inc. Dba Rc Displays Systems |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 63.0 MICROINCHES LEFT SIDE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Outside Diameter | 3.800 INCHES NOMINAL IN |
| Overall Thickness | 0.0582 INCHES MINIMUM AND 0.0602 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/4,T4 OR T351 FED SPEC ALL MATERIAL RESPONSES OR QQ-A-225/6,T4 OR T351 FED SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 2.915 INCHES MINIMUM AND 2.925 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 2024 |
| 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 |
|---|---|
| 37431-3 PRIMARY | Rockwell Collins, Inc. Dba Rc Displays Systems (USA) |
| Reference | Meaning |
|---|---|
| 10119872 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5365-01-331-1524 is a Spacer,ring, manufactured by Rockwell Collins, Inc. Dba Rc Displays Systems, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-331-1524 has 1 manufacturer part number on file: 37431-3 (Rockwell Collins, Inc. Dba Rc Displays Systems).
Key specifications for 37431-3: Surface Finish: 63.0 MICROINCHES RIGHT SIDE; Surface Finish: 63.0 MICROINCHES LEFT SIDE; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Outside Diameter: 3.800 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.