The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-680-4389, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Tru-Hitch, Inc.. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-680-4389 |
| Primary Part Number | 02771 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Tru-Hitch, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.4687 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.750 INCHES NOMINAL LEFT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Thread Direction | RIGHT-HAND LEFT EXTERNAL |
| Nominal Thread Size | 0.1325 INCHES RIGHT INTERNAL IN |
| Nominal Thread Size | 0.375 INCHES LEFT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2A LEFT EXTERNAL A |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 18 RIGHT INTERNAL |
| Thread Quantity Per Inch | 16 LEFT EXTERNAL |
| Material | STEEL STANDOFF |
| Right Projection Diameter | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL |
| Right Projection Length | 0.750 INCHES NOMINAL IN |
| 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 |
NSN 5340-01-680-4389 is a Standoff,threaded,spacing, manufactured by Tru-Hitch, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-680-4389 has 2 manufacturer part numbers on file: 02771 (Tru-Hitch, Inc.), 92499A262 (Mcmaster-Carr Supply Co).
Key specifications for 02771: Width Across Flats: 0.625 INCHES NOMINAL IN; Length: 1.750 INCHES NOMINAL IN; Thread Length: 0.4687 INCHES NOMINAL RIGHT INTERNAL IN; Thread Length: 0.750 INCHES NOMINAL LEFT EXTERNAL IN. 19 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.