NSN 2920-01-357-2538 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-357-2538. Manufacturer of record part number: 12313990.
Also searched as2920-01-357-2538 ·
2920013572538 ·
NIIN 013572538 ·
01-357-2538 ·
FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 076M6 · 12313990
Attachment Hole Diameter: 0.515 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Shape: CYLINDRICAL
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Amz Alabama Inc.
Identification
NSN: 2920-01-357-2538
NIIN: 013572538
FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 12313990
Manufacturer: Amz Alabama Inc.
General Description
The Arm,adjusting,belt Tension, cataloged under National Stock Number 2920-01-357-2538, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Amz Alabama Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2920-01-357-2538
Primary Part Number
12313990
Item Name
Arm,adjusting,belt Tension
FSC / FSG
2920 / 29 — Engine Electrical System Components, Nonaircraft
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
12313990
3/2Design control — primary reference
U.S. Government activity
No interchangeability data on file.
Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-000-0088
INSTALLATION KIT,AL
2920-00-000-0183
GENERATOR,ENGINE ACCESSORY
2920-00-000-0194
2920-00-000-0194 · Item name not on file
2920-00-001-3474
COIL,MAGNETO
2920-00-001-3843
PLATE ASSY,ARMATURE
2920-00-001-6184
2920-00-001-6184 · Item name not on file
2920-00-001-6185
2920-00-001-6185 · Item name not on file
2920-00-001-8891
2920-00-001-8891 · Item name not on file
Frequently Asked Questions
What is NSN 2920-01-357-2538?
NSN 2920-01-357-2538 is a Arm,adjusting,belt Tension, manufactured by Amz Alabama Inc., classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
What part numbers are listed for NSN 2920-01-357-2538?
NSN 2920-01-357-2538 has 2 manufacturer part numbers on file: 12313990 (Amz Alabama Inc.), 12313990 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 12313990?
Key specifications for 12313990: Attachment Hole Diameter: 0.515 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Shape: CYLINDRICAL; Overall Length: 7.100 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 2920-01-357-2538 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.