The Retainer, cataloged under National Stock Number 2920-00-774-4154, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-774-4154 |
| Primary Part Number | 7744154 |
| Item Name | Retainer |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,BLACK OXIDE FINISH,WASHER SHAPE W/3 COUNTERSUNK DRILLED HOLES EQUALLY SPACED ON 1.625 DIA BOLT CIRCLE; 0.375 IN. COUNTERSINK DIA; 1.002 IN. I.D.; 2.250 IN. O.D.; 0.125 IN. THK; SMOOTH GROUND FINISH BOTH SIDES 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 |
|---|---|
| 7744154 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10-37414 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
| 10-37414 | 5/9 Secondary reference Unison Industries Llc |
| 10-37414 | 3/9 Design control — primary reference Teledyne Industries Inc Teledyne Power Systems Div |
NSN 2920-00-774-4154 is a Retainer, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-774-4154 has 1 manufacturer part number on file: 7744154 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6520-00-985-7123. Verify interchangeability with system specifications before substitution.
Key specifications for 7744154: General Characteristics Item Description: STEEL,BLACK OXIDE FINISH,WASHER SHAPE W/3 COUNTERSUNK DRILLED HOLES EQUALLY SPACED ON 1.625 DIA BOLT CIRCLE; 0.375 IN. COUNTERSINK DIA; 1.002 IN. I.D.; 2.250 IN. O.D.; 0.125 IN. THK; SMOOTH GROUND FINISH BOTH SIDES IN. 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.