The Retainer Assembly, cataloged under National Stock Number 2920-01-134-2191, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Honeywell International Inc Div Aerospace-South Bend (bendix Dr). 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. 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 | 2920-01-134-2191 |
| Primary Part Number | 2643784 |
| Item Name | Retainer Assembly |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) |
| Status | ACTIVE |
| General Characteristics Item Description | 1.020 IN. DIA;FLANGED,OVAL SHAPE,TWO MTG HOLES 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 |
|---|---|
| 2643784 PRIMARY | Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA) |
NSN 2920-01-134-2191 is a Retainer Assembly, manufactured by Honeywell International Inc Div Aerospace-South Bend (bendix Dr), classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-134-2191 has 1 manufacturer part number on file: 2643784 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)).
1 possible match (shared part number, not a government interchangeability claim): 3940-01-172-6006. Verify interchangeability with system specifications before substitution.
Key specifications for 2643784: General Characteristics Item Description: 1.020 IN. DIA;FLANGED,OVAL SHAPE,TWO MTG HOLES 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.