The Spacer,ring, cataloged under National Stock Number 5365-01-357-1631, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-357-1631 |
| Primary Part Number | 03A250K151A185 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Outside Diameter | 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN |
| Overall Thickness | 0.140 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 1.510 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 7075 |
| 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 |
|---|---|
| 03A250K151A185 PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 03A250K151A185 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5365-01-357-1631 is a Spacer,ring, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-357-1631 has 1 manufacturer part number on file: 03A250K151A185 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 03A250K151A185: Surface Treatment Document and Classification: MIL-A-8625,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Outside Diameter: 1.850 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN; Overall Thickness: 0.140 INCHES NOMINAL IN; Material Document and Classification: QQ-A-250/12,T6 FED SPEC SINGLE MATERIAL RESPONSE. 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.