The Barrier,oil, cataloged under National Stock Number 2520-01-184-4800, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-184-4800 |
| Primary Part Number | 12335326 |
| Item Name | Barrier,oil |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,5083,TEMPER H111OR H112,SPEC QQ-A-200/4 OR ASTM B221;CLEAN AND TREAT,CLASS 1A,SPEC MIL-C-5541; OUTER DIA OF ITEM,6.750 INS MIN8 6.752 INS MAX; INNER DIA,6.250 INS TAPERING 30 DEG TO A DIA OF 5.000 INS;HEIGHT OF ITEM 3.500 INS A |
| 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 |
|---|---|
| 12335326 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2520-01-184-4800 is a Barrier,oil, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-184-4800 has 1 manufacturer part number on file: 12335326 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12335326: General Characteristics Item Description: ALUMINUM ALLOY,5083,TEMPER H111OR H112,SPEC QQ-A-200/4 OR ASTM B221;CLEAN AND TREAT,CLASS 1A,SPEC MIL-C-5541; OUTER DIA OF ITEM,6.750 INS MIN8 6.752 INS MAX; INNER DIA,6.250 INS TAPERING 30 DEG TO A DIA OF 5.000 INS;HEIGHT OF ITEM 3.500 INS A; End Item Identification: UNIV ENGRG TRAC ACEM9. 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.