The Shim,sprocket Bearing, cataloged under National Stock Number 2590-01-052-8923, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular 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 | 2590-01-052-8923 |
| Primary Part Number | 12266272 |
| Item Name | Shim,sprocket Bearing |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | SHIM STOCK LAMINATED,0.002 LAMINATIONS,MIL-S-22499,COMP 1,TYPE 1,CLASS 1;9.560 IN. DIA.;0.062 IN. H;8 HOLES,0.281 IN. DIA,AT 45 DEGREE INTERVALS; ONE SIDE FLATTENED FOR 45 DEGREES;RADIUS AT CENTER OF FLAT AREA 4.400 IN.;CENTER HOLE 8.060 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12266272 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2590-01-052-8923 is a Shim,sprocket Bearing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-01-052-8923 has 1 manufacturer part number on file: 12266272 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266272: General Characteristics Item Description: SHIM STOCK LAMINATED,0.002 LAMINATIONS,MIL-S-22499,COMP 1,TYPE 1,CLASS 1;9.560 IN. DIA.;0.062 IN. H;8 HOLES,0.281 IN. DIA,AT 45 DEGREE INTERVALS; ONE SIDE FLATTENED FOR 45 DEGREES;RADIUS AT CENTER OF FLAT AREA 4.400 IN.;CENTER HOLE 8.060 IN. DIA IN; End Item Identification: 2350008086104. 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.