The Spacer,sleeve, cataloged under National Stock Number 5365-00-554-4616, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Kitco Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-554-4616 |
| Primary Part Number | 2551982 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Kitco Llc |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Right Flange Width | 0.0630 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.4220 INCHES MINIMUM AND 0.4520 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGES BOTH ENDS |
| Body Inside Diameter | 0.2500 INCHES MINIMUM AND 0.2540 INCHES MAXIMUM IN |
| Right Flange Outside Diameter | 0.5310 INCHES MINIMUM IN |
| Left Flange Outside Diameter | 0.5310 INCHES MINIMUM IN |
| Left Flange Width | 0.0630 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 2551982 | Kitco Llc (USA) |
| 2551982 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| 2551982 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| Reference | Meaning |
|---|---|
| 2551982 | 5/9 Secondary reference The Boeing Company |
| 2551982 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-00-554-4616 is a Spacer,sleeve, manufactured by Kitco Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-554-4616 has 3 manufacturer part numbers on file: 2551982 (Kitco Llc), 2551982 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), 2551982 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company).
Key specifications for 2551982: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER. 12 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.