The Support Assembly,mu, cataloged under National Stock Number 2990-01-147-3954, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Genuine Parts Company Div Automotive Parts Group, Dba Napa. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Support Assembly,mu |
| FSC / FSG | 2990 — Miscellaneous Engine Accessories, Nonaircraft (FSG 29) |
| Manufacturers | Genuine Parts Company Div Automotive Parts Group, Dba Napa (CAGE 0HYJ6) |
| Parameter | Value |
|---|---|
| NSN | 2990-01-147-3954 |
| Primary Part Number | 35703 |
| Item Name | Support Assembly,mu |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Genuine Parts Company Div Automotive Parts Group, Dba Napa |
| 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 |
|---|---|
| 35703 PRIMARY | Genuine Parts Company Div Automotive Parts Group, Dba Napa (USA) |
| Reference | Meaning |
|---|---|
| 35703 | 5/9 Secondary reference National Automotive Parts Assn/napa/ |
| 14020478 | 5/9 Secondary reference General Motors Llc Dba General Motors Llc |
| 14020478 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2990-01-147-3954 is a Support Assembly,mu, manufactured by Genuine Parts Company Div Automotive Parts Group, Dba Napa, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-01-147-3954 has 1 manufacturer part number on file: 35703 (Genuine Parts Company Div Automotive Parts Group, Dba Napa).
1 possible match (shared part number, not a government interchangeability claim): 6105-01-414-3867. 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.