The Spacer,ring, cataloged under National Stock Number 5365-01-007-8681, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-007-8681 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Outside Diameter | 0.366 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN |
| Overall Thickness | 0.0380 INCHES NOMINAL IN |
| Hardness Rating | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | MIL-S-7420,COND E4 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Diameter | 0.314 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10149=91 | C/1 Advisory reference — outside the item-of-supply concept Atlantic Inertial Systems Inc Div Cheshire Division |
| 10149=91 | 3/9 Design control — primary reference Atlantic Inertial Systems Inc |
NSN 5365-01-007-8681 is a Spacer,ring, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-232-9562, 2990-01-263-6468. Verify interchangeability with system specifications before substitution.
Key specifications for 5365-01-007-8681: Outside Diameter: 0.366 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN; Overall Thickness: 0.0380 INCHES NOMINAL IN; Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM; Material Document and Classification: MIL-S-7420,COND E4 MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.