The Spacer,ring, cataloged under National Stock Number 5365-01-299-7451, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Bourns Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spacer,ring |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Cat Pumps (uk) Ltd (CAGE U3374); Bourns Inc (CAGE 32997) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-299-7451 |
| Primary Part Number | 44059 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Bourns Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 277 ITEM 39 | Cat Pumps (uk) Ltd (GBR) |
| 44059 | Cat Pumps (uk) Ltd (GBR) |
| 44059 PRIMARY | Bourns Inc (USA) |
| Reference | Meaning |
|---|---|
| 277 ITEM 39 | 5/9 Secondary reference Cat Pumps Corp |
| 44059 | 5/9 Secondary reference Cat Pumps Corp |
NSN 5365-01-299-7451 is a Spacer,ring, manufactured by Bourns Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-299-7451 has 3 manufacturer part numbers on file: 277 ITEM 39 (Cat Pumps (uk) Ltd), 44059 (Cat Pumps (uk) Ltd), 44059 (Bourns Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-363-3346, 5120-01-574-9424. Verify interchangeability with system specifications before substitution.
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.