The Spacer,sleeve, cataloged under National Stock Number 5365-00-779-8237, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 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 | 5365-00-779-8237 |
| Primary Part Number | 8178428 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.3690 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | MIL-T-6736,TY 1,COND N MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.2400 INCHES MINIMUM AND 0.2600 INCHES MAXIMUM IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Flange Width | 0.0600 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-00-779-8237 is a Spacer,sleeve, manufactured by Us Army Aviation and Missile Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-779-8237 has 2 manufacturer part numbers on file: 15953 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems), 8178428 (Us Army Aviation and Missile Command).
4 possible matches (shared part number, not a government interchangeability claim): 5340-01-216-1719, 5133-01-399-1205, 8145-01-627-5489. Verify interchangeability with system specifications before substitution.
Key specifications for 8178428: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.4900 INCHES MINIMUM AND 0.5100 INCHES MAXIMUM IN; Body Outside Diameter: 0.3690 INCHES MINIMUM AND 0.3810 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 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.