The Spacer,ring, cataloged under National Stock Number 5365-00-683-9974, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 11 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 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 | 5365-00-683-9974 |
| Primary Part Number | 43602 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Surface Finish | 125.0 MICROINCHES LEFT SIDE |
| Surface Finish | 125.0 MICROINCHES BORE |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Overall Thickness | 0.040 INCHES NOMINAL IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE |
| Inside Diameter | 1.015 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| 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 |
|---|---|
| 43602 PRIMARY | Triumph Engine Control Systems Llc (USA) |
NSN 5365-00-683-9974 is a Spacer,ring, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-683-9974 has 1 manufacturer part number on file: 43602 (Triumph Engine Control Systems Llc).
3 possible matches (shared part number, not a government interchangeability claim): 5950-01-239-1948, 5120-01-398-7732, 5977-01-500-1808. Verify interchangeability with system specifications before substitution.
Key specifications for 43602: Surface Finish: 125.0 MICROINCHES RIGHT SIDE; Surface Finish: 125.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Surface Finish: 125.0 MICROINCHES LEFT SIDE; Surface Finish: 125.0 MICROINCHES BORE. 11 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.