The Bushing,sleeve, cataloged under National Stock Number 3120-01-264-6006, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, 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 | 3120-01-264-6006 |
| Primary Part Number | 12357158-2 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Corner Shape | CHAMFERED ALL CORNERS |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Body Outside Diameter | 2.5030 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN |
| Hardness Rating | 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | ASTM 513 ASSN STD ALL MATERIAL RESPONSES OR ASTM 519 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Features Provided | CASEHARDENED |
| Body Inside Diameter | 2.0100 INCHES MINIMUM AND 2.0300 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| Material | STEEL COMP MT1010 OR STEEL COMP MT1015 OR STEEL COMP MT1020 OR STEEL COMP MTX1020 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1025 OR STEEL COMP 1026 OVERALL |
| 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 |
|---|---|
| 12357158-2 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3120-01-264-6006 is a Bushing,sleeve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-264-6006 has 1 manufacturer part number on file: 12357158-2 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12357158-2: Corner Shape: CHAMFERED ALL CORNERS; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC 1ST TREATMENT RESPONSE OR ASTM B633,TYPE 2,CLASS FE/ZN 13 ASSN STD 2ND TREATMENT RESPONSE OVERALL; Body Outside Diameter: 2.5030 INCHES MINIMUM AND 2.5040 INCHES MAXIMUM IN; Hardness Rating: 57.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM OVERALL. 10 specifications are 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.