The Endbell Assy,brake, cataloged under National Stock Number 3040-01-129-4854, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Endbell Assy,brake |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (CAGE 48ZY0) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-129-4854 |
| Primary Part Number | 120-139-2 |
| Item Name | Endbell Assy,brake |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| 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 |
|---|---|
| 120-139-2 PRIMARY | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA) |
| Reference | Meaning |
|---|---|
| 120-139-2 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-129-4854 is a Endbell Assy,brake, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-129-4854 has 1 manufacturer part number on file: 120-139-2 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-429-5474. 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.