The Handle,door, cataloged under National Stock Number 2040-01-475-1981, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-01-475-1981 |
| Primary Part Number | 124-4322609 PC 21 |
| Item Name | Handle,door |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Quantity | 1 |
| Handle Height | 2.375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.656 INCHES NOMINAL IN |
| Mounting Method | THREADED HOLE(S) |
| Thread Length | 1.750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE HANDLE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Handle Clearance | 1.875 INCHES NOMINAL IN |
| Thread Class | 2B |
| Material | STEEL HANDLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.875 INCHES NOMINAL 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 |
|---|---|
| 124-4322609 PC 21 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 124-4322609 | D/9 Drawing number reference only U.S. Government activity |
NSN 2040-01-475-1981 is a Handle,door, manufactured by Naval Sea Systems Command, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-475-1981 has 1 manufacturer part number on file: 124-4322609 PC 21 (Naval Sea Systems Command).
Key specifications for 124-4322609 PC 21: Mounting Facility Quantity: 1; Handle Height: 2.375 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 0.656 INCHES NOMINAL IN; Mounting Method: THREADED HOLE(S). 14 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.