The Spacer,sleeve, cataloged under National Stock Number 5365-01-182-4179, 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 Div Weapon System. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-182-4179 |
| Primary Part Number | 387-3598 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 7.95 MILLIMETERS NOMINAL MM |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | MIL-T-6736,TYPE I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 6.15 MILLIMETERS NOMINAL MM |
| Surface Treatment | PHOSPHATE OVERALL |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 387-3598 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 387-3598 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 387-3598 | 3/9 Design control — primary reference Alliant Techsystems Operations Llc |
| 387-3598 | 5/9 Secondary reference The Boeing Company |
NSN 5365-01-182-4179 is a Spacer,sleeve, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-182-4179 has 1 manufacturer part number on file: 387-3598 (Northrop Grumman Systems Corp Div Weapon System).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-632-9607. Verify interchangeability with system specifications before substitution.
Key specifications for 387-3598: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 7.95 MILLIMETERS NOMINAL MM; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-T-6736,TYPE I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.