The Spacer,hub,track Su, cataloged under National Stock Number 3120-01-252-9712, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-252-9712 |
| Primary Part Number | 12345243 |
| Item Name | Spacer,hub,track Su |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF CAGE 19207 P/N 12345243;2 BEARINGS,CAGES 19207 P/NS 12345241 AND 12345242;1 SPACER,CAGE 19207 P/N 12345420;OVERALL LG 10.18 IN.;OVERALL DIA 7.24 IN.;MATLMALLEABLEIRON FOR SPACER;MATLCOPPER ALLOY FOR BEARINGS 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 |
|---|---|
| 12345243 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 3120012529712 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3120PL2184995 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3120-01-252-9712 is a Spacer,hub,track Su, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-252-9712 has 1 manufacturer part number on file: 12345243 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12345243: General Characteristics Item Description: CONSISTS OF CAGE 19207 P/N 12345243;2 BEARINGS,CAGES 19207 P/NS 12345241 AND 12345242;1 SPACER,CAGE 19207 P/N 12345420;OVERALL LG 10.18 IN.;OVERALL DIA 7.24 IN.;MATLMALLEABLEIRON FOR SPACER;MATLCOPPER ALLOY FOR BEARINGS IN; End Item Identification: M1 TNK FULL TRK NSN 23500106124 40. 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.