The Shaft,shouldered, cataloged under National Stock Number 3040-01-508-8553, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-508-8553 |
| Primary Part Number | 4403721 PIECE 4SP |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-465 ALY 630 ANNEALED FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4403721 PIECE 4SP PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 4403721 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-508-8553 is a Shaft,shouldered, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-508-8553 has 1 manufacturer part number on file: 4403721 PIECE 4SP (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 4403721 PIECE 4SP: Material Document and Classification: QQ-C-465 ALY 630 ANNEALED FED SPEC SINGLE MATERIAL RESPONSE; Part Name Assigned by Controlling Agency: SHAFT; End Item Identification: SSN 688 CLASS SUBMARINE. WEAPONS STOWAGE HOIST PLATFORM LATCHES ASSEMBLY.; Material: COPPER ALLOY. 2 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.
NSN 3040-01-508-8553 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.