The Spacer,ring, cataloged under National Stock Number 5365-00-253-9481, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5365-00-253-9481 |
| Primary Part Number | 6863630-10 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Outside Diameter | 4.315 INCHES NOMINAL IN |
| Overall Thickness | 0.143 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6431 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 3.975 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 6863630-10 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| EU41567 | C/1 Advisory reference — outside the item-of-supply concept Rolls-Royce Airlines |
NSN 5365-00-253-9481 is a Spacer,ring, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-253-9481 has 1 manufacturer part number on file: 6863630-10 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6863630-10: Outside Diameter: 4.315 INCHES NOMINAL IN; Overall Thickness: 0.143 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Material Document and Classification: AMS 6431 ASSN STD SINGLE MATERIAL RESPONSE; Inside Diameter: 3.975 INCHES NOMINAL IN. 5 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.