NSN 3120-01-166-2372 · NIIN 011662372 · Part number 12301582
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 19207
Government record, cited
NSN 3120-01-166-2372 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-166-2372. Manufacturer of record part number: 12301582.
Flange Outside Diameter: 7.2465 INCHES MINIMUM AND 7.2500 INCHES MAXIMUM IN
Body Outside Diameter: 6.4965 INCHES MINIMUM AND 6.5000 INCHES MAXIMUM IN
Style Designator: SOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter: 5.5055 INCHES MINIMUM AND 5.5090 INCHES MAXIMUM IN
Flange Width: 1.4940 INCHES MINIMUM AND 1.4990 INCHES MAXIMUM IN
Material: STEEL OVERALL
1 manufacturer part number on file
Identification
NSN: 3120-01-166-2372
NIIN: 011662372
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 12301582
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Bearing,sleeve, cataloged under National Stock Number 3120-01-166-2372, 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 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.
Technical Specifications
Parameter
Value
NSN
3120-01-166-2372
Primary Part Number
12301582
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Flange Outside Diameter
7.2465 INCHES MINIMUM AND 7.2500 INCHES MAXIMUM IN
Body Outside Diameter
6.4965 INCHES MINIMUM AND 6.5000 INCHES MAXIMUM IN
Style Designator
SOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter
5.5055 INCHES MINIMUM AND 5.5090 INCHES MAXIMUM IN
Flange Width
1.4940 INCHES MINIMUM AND 1.4990 INCHES MAXIMUM IN
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-01-166-2372?
NSN 3120-01-166-2372 is a Bearing,sleeve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-166-2372?
NSN 3120-01-166-2372 has 1 manufacturer part number on file: 12301582 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 12301582?
Key specifications for 12301582: Flange Outside Diameter: 7.2465 INCHES MINIMUM AND 7.2500 INCHES MAXIMUM IN; Body Outside Diameter: 6.4965 INCHES MINIMUM AND 6.5000 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END; Overall Length: 3.7500 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-166-2372 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.