The Retainer,ball,bearing, cataloged under National Stock Number 3110-01-180-3489, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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 | 3110-01-180-3489 |
| Primary Part Number | 12321036 |
| Item Name | Retainer,ball,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Material Document and Classification | ASTM A108,11L41 TO 11L44 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A304,41L40 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A505,4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.2500 INCHES NOMINAL IN |
| Cubic Measure | 3.4347 CUBIC INCHES |
| Bore Diameter | 1.8750 INCHES NOMINAL IN |
| Material | STEEL 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 |
|---|---|
| 12321036 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3110-01-180-3489 is a Retainer,ball,bearing, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-180-3489 has 1 manufacturer part number on file: 12321036 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12321036: Retainer Fabrication Method: MACHINED; Material Document and Classification: ASTM A108,11L41 TO 11L44 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A304,41L40 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A505,4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.7500 INCHES NOMINAL IN; Outside Diameter: 3.2500 INCHES NOMINAL IN. 6 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.