The Spring Assembly,bru, cataloged under National Stock Number 5977-00-596-2164, is classified within Federal Supply Class 5977 (Electrical Contact Brushes and Electrodes) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. The record lists 2 manufacturer part numbers 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.
| Item Name | Spring Assembly,bru |
| FSC / FSG | 5977 — Electrical Contact Brushes and Electrodes (FSG 59) |
| Manufacturers | Honeywell International Inc. Div Aerospace - Torrance (CAGE 70210); Ontic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934) |
| Parameter | Value |
|---|---|
| NSN | 5977-00-596-2164 |
| Primary Part Number | 46657-9 |
| Item Name | Spring Assembly,bru |
| FSC / FSG | 5977 / 59 — Electrical Contact Brushes and Electrodes |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 5977-00-596-2164 is a Spring Assembly,bru, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5977, Electrical Contact Brushes and Electrodes. Status: active.
NSN 5977-00-596-2164 has 2 manufacturer part numbers on file: 46657-9 (Honeywell International Inc. Div Aerospace - Torrance), 46657-9 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
1 possible match (shared part number, not a government interchangeability claim): 5930-01-131-6985. Verify interchangeability with system specifications before substitution.
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.