The Spacer,ring, cataloged under National Stock Number 5365-01-191-2791, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Circor Aerospace, Inc. Div Circor. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-01-191-2791 |
| Primary Part Number | 1767L031 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Circor Aerospace, Inc. Div Circor |
| Status | ACTIVE |
| Outside Diameter | 5.379 INCHES MINIMUM AND 5.381 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 5.597 INCHES MINIMUM AND 5.603 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| 1767L031 PRIMARY | Circor Aerospace, Inc. Div Circor (USA) |
| Reference | Meaning |
|---|---|
| 1767L031 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 5365-01-191-2791 is a Spacer,ring, manufactured by Circor Aerospace, Inc. Div Circor, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-191-2791 has 1 manufacturer part number on file: 1767L031 (Circor Aerospace, Inc. Div Circor).
Key specifications for 1767L031: Outside Diameter: 5.379 INCHES MINIMUM AND 5.381 INCHES MAXIMUM IN; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE; Inside Diameter: 5.597 INCHES MINIMUM AND 5.603 INCHES MAXIMUM IN; Material: PLASTIC POLYTETRAFLUOROETHYLENE. 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.