The Plunger,pressure Release Oil Pum, cataloged under National Stock Number 2920-01-021-5743, 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-Tucson. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2920-01-021-5743 |
| Primary Part Number | 1586395-1 |
| Item Name | Plunger,pressure Release Oil Pum |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| General Characteristics Item Description | FABRICATED FROM CRES,0.562 IN. DIA,0.690 IN. TO CROWN,WITH 0.190 IN.NIPPLE END,0.368 IN. DIA 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 |
|---|---|
| 309661 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 1586395-1 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 1586395-1 | 5/9 Secondary reference U.S. Government activity |
| 2920010215743 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 309661 | 5/9 Secondary reference Howden Fluid Systems |
NSN 2920-01-021-5743 is a Plunger,pressure Release Oil Pum, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-021-5743 has 2 manufacturer part numbers on file: 309661 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 1586395-1 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-563-0369. Verify interchangeability with system specifications before substitution.
Key specifications for 1586395-1: General Characteristics Item Description: FABRICATED FROM CRES,0.562 IN. DIA,0.690 IN. TO CROWN,WITH 0.190 IN.NIPPLE END,0.368 IN. DIA IN; End Item Identification: 2350001169765. 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.