The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-407-2742, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies. Government technical data includes 20 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-407-2742 |
| Primary Part Number | 7406-76221-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies |
| Status | ACTIVE |
| Width Across Flats | 0.3750 INCHES NOMINAL IN |
| Length | 4.2500 INCHES NOMINAL IN |
| Thread Length | 0.8800 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 1.2500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.1900 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.1900 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 3A RIGHT EXTERNAL A |
| Thread Class | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | STEEL COMP 4130 STANDOFF |
| Right Projection Diameter | 0.1900 INCHES NOMINAL IN |
| Thread Series Designator | UNF RIGHT EXTERNAL |
| Thread Series Designator | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 1.0000 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 |
| Part Number | Manufacturer |
|---|---|
| 7406-76221-1 PRIMARY | L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies (USA) |
NSN 5340-01-407-2742 is a Standoff,threaded,spacing, manufactured by L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-407-2742 has 1 manufacturer part number on file: 7406-76221-1 (L3harris Technologies Integrated Systems L.p. Dba L3harris Technologies).
Key specifications for 7406-76221-1: Width Across Flats: 0.3750 INCHES NOMINAL IN; Length: 4.2500 INCHES NOMINAL IN; Thread Length: 0.8800 INCHES NOMINAL RIGHT EXTERNAL IN; Thread Length: 1.2500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN. 20 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.