The Air Cleaner,crankcase,emission C, cataloged under National Stock Number 2990-01-164-7746, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 2990-01-164-7746 |
| Item Name | Air Cleaner,crankcase,emission C |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Status | ACTIVE |
| General Characteristics Item Description | INLET CONNECTION TO FIT HOSE,LOCATED ON SIDE OF BODY NEAR TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 60685 | 3/9 Design control — primary reference Taylor-Dunn Corporation Dba Metro Crown International |
NSN 2990-01-164-7746 is a Air Cleaner,crankcase,emission C, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-232-4849, 5930-01-307-5931, 9540-01-353-5555. Verify interchangeability with system specifications before substitution.
Key specifications for 2990-01-164-7746: General Characteristics Item Description: INLET CONNECTION TO FIT HOSE,LOCATED ON SIDE OF BODY NEAR TOP; End Item Identification: TRACTOR,TOWING,UNITED TRACTOR CORP.,MODELS SM-80C/100C. 1 specification is 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.