The Ring,metering,air, cataloged under National Stock Number 2540-00-792-8902, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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. 2 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 | 2540-00-792-8902 |
| Primary Part Number | 9000162 |
| Item Name | Ring,metering,air |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM MATL IS ALUMINUM ALLOY CASTING,SPEC.QQ-A-601;ITEM IS 4.000 IN.DIA,O/A,1.250 IN.THICK;ITEM HAS CENTRALLY LOCATED HOLE,3.125 IN.DIA; 2 HOLES,0.228 IN.DIA,2 COUNTERBORES; 3.688 IN.DIA,0.094 IN.DEEP,AND 3.688 IN.DIA,0.188 IN.DEEP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9000162 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2540-00-792-8902 is a Ring,metering,air, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-00-792-8902 has 1 manufacturer part number on file: 9000162 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5995-01-530-7309, 5995-01-530-7311. Verify interchangeability with system specifications before substitution.
Key specifications for 9000162: General Characteristics Item Description: ITEM MATL IS ALUMINUM ALLOY CASTING,SPEC.QQ-A-601;ITEM IS 4.000 IN.DIA,O/A,1.250 IN.THICK;ITEM HAS CENTRALLY LOCATED HOLE,3.125 IN.DIA; 2 HOLES,0.228 IN.DIA,2 COUNTERBORES; 3.688 IN.DIA,0.094 IN.DEEP,AND 3.688 IN.DIA,0.188 IN.DEEP IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.