The Half-Bushing Assem, cataloged under National Stock Number 1660-01-540-2127, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Kidde-Fenwal, Llc. 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 | 1660-01-540-2127 |
| Primary Part Number | 877662 |
| Item Name | Half-Bushing Assem |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | Kidde-Fenwal, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 877662 PRIMARY | Kidde-Fenwal, Llc (USA) |
NSN 1660-01-540-2127 is a Half-Bushing Assem, manufactured by Kidde-Fenwal, Llc, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-540-2127 has 1 manufacturer part number on file: 877662 (Kidde-Fenwal, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-553-3251. Verify interchangeability with system specifications before substitution.
Key specifications for 877662: End Item Identification: STARTER. 0 specifications are 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.