The Lever,manual Control, cataloged under National Stock Number 5340-01-458-5770, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Harken Inc. Government technical data includes 3 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 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 | 5340-01-458-5770 |
| Primary Part Number | B10AL |
| Item Name | Lever,manual Control |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Harken Inc |
| Status | ACTIVE |
| Mounting Method | KEY |
| Features Provided | HANDGRIP |
| Material | ALUMINUM |
| 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 |
|---|---|
| B10AL PRIMARY | Harken Inc (USA) |
NSN 5340-01-458-5770 is a Lever,manual Control, manufactured by Harken Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-458-5770 has 1 manufacturer part number on file: B10AL (Harken Inc).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-550-9496. Verify interchangeability with system specifications before substitution.
Key specifications for B10AL: Mounting Method: KEY; Overall Length: 254.0 MILLIMETERS NOMINAL MM; Features Provided: HANDGRIP; End Item Identification: HARKEN HAND-POWERED WINCHES. 3 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.
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.