The Spacer,stepped, cataloged under National Stock Number 5365-01-666-5800, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Thermacut, Inc. Div Thermacut Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Spacer,stepped |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Airgas Usa, Llc (CAGE 3WRY5); Thermacut, Inc. Div Thermacut Inc (CAGE 3FJA5); Welders Supply Co (CAGE 0FG64) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-666-5800 |
| Primary Part Number | 249931 |
| Item Name | Spacer,stepped |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Thermacut, Inc. Div Thermacut Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5365-01-666-5800 is a Spacer,stepped, manufactured by Thermacut, Inc. Div Thermacut Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-666-5800 has 3 manufacturer part numbers on file: MIL249931 (Airgas Usa, Llc), 249931 (Thermacut, Inc. Div Thermacut Inc), 249931 (Welders Supply Co).
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.