The Block Assembly,terminal, cataloged under National Stock Number 2590-00-337-6404, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2590-00-337-6404 |
| Primary Part Number | 877414 |
| Item Name | Block Assembly,terminal |
| FSC / FSG | 2590 / 25 — Miscellaneous Vehicular Components |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| General Characteristics Item Description | INSUTATED BLOCK WITH 2 TERMINAL POSTS,FLEXIBLE LEAD AND STRIP FOR GENERATOR CONNECTIONS |
| 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 |
|---|---|
| 877414 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 877414 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
| 877414 | 3/9 Design control — primary reference U.S. Government activity |
NSN 2590-00-337-6404 is a Block Assembly,terminal, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
NSN 2590-00-337-6404 has 1 manufacturer part number on file: 877414 (Honeywell International, Inc Div Aerospace-Tucson).
2 possible matches (shared part number, not a government interchangeability claim): 5950-00-648-0050, 4010-00-684-7585. Verify interchangeability with system specifications before substitution.
Key specifications for 877414: General Characteristics Item Description: INSUTATED BLOCK WITH 2 TERMINAL POSTS,FLEXIBLE LEAD AND STRIP FOR GENERATOR CONNECTIONS; End Item Identification: ORD MODEL M44/T194/. 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.