The Standoff,hinged,threaded, cataloged under National Stock Number 5340-01-379-6589, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-379-6589 |
| Primary Part Number | 2661401 |
| Item Name | Standoff,hinged,threaded |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Length | 1.125 INCHES NOMINAL1.125 INCHES NOMINAL IN |
| Cross-Sectional Width | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Cross-Sectional Length | 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.112 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | RECTANGULARRECTANGULAR |
| Thread Quantity Per Inch | 40 RIGHT INTERNAL |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2661401 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5340-01-379-6589 is a Standoff,hinged,threaded, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-379-6589 has 1 manufacturer part number on file: 2661401 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-676-0071. Verify interchangeability with system specifications before substitution.
Key specifications for 2661401: Length: 1.125 INCHES NOMINAL1.125 INCHES NOMINAL IN; Cross-Sectional Width: 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN; Cross-Sectional Length: 0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN; Nominal Thread Size: 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN. 10 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.