The Hinge,valve, cataloged under National Stock Number 5340-01-206-4481, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-206-4481 |
| Primary Part Number | 056744 ITEM 6 |
| Item Name | Hinge,valve |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,A351 GRADE CF8M |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 056744 ITEM 6 PRIMARY | William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA) |
| Reference | Meaning |
|---|---|
| 056744 | D/9 Drawing number reference only William Powell Company, the Dba Powell Valve Div the Starflo Corporation |
| 10226071741400 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-01-206-4481 is a Hinge,valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-206-4481 has 1 manufacturer part number on file: 056744 ITEM 6 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-206-4631. Verify interchangeability with system specifications before substitution.
Key specifications for 056744 ITEM 6: General Characteristics Item Description: STAINLESS STEEL,A351 GRADE CF8M; End Item Identification: WM. POWELL FIG. 2633(FE). 1 specification is 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.
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.