The Housing Rear Assy, cataloged under National Stock Number 1560-01-421-0631, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-421-0631 |
| Primary Part Number | 55A40D5-1 |
| Item Name | Housing Rear Assy |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 55A40D5-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 1560-01-421-0631 is a Housing Rear Assy, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-421-0631 has 1 manufacturer part number on file: 55A40D5-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 55A40D5-1: Overall Length: 5.220 INCHES NOMINAL IN; Overall Width: 4.620 INCHES NOMINAL IN; Special Features: ITEM IS A HOUSING-REAR ADAPTER ASSEMBLY; Surface Treatment: CADMIUM. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1560-01-421-0631 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.