The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-078-9814, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Technipower Llc Dba Unipower. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-078-9814 |
| Primary Part Number | 3491-6803 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Technipower Llc Dba Unipower |
| Status | ACTIVE |
| Left Counterbore Depth | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Length | 5.744 INCHES MINIMUM AND 5.756 INCHES MAXIMUM IN |
| Left Slot Width | 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Groove Diameter | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Distance From End to Groove | 0.775 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Diameter | 1.248 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN |
| Right Counterbore Depth | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Left Counterbore Diameter | 0.386 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| Groove Width | 2.500 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 |
|---|---|
| 3491-6803 PRIMARY | Technipower Llc Dba Unipower (USA) |
| Reference | Meaning |
|---|---|
| 3491-6803 | 5/9 Secondary reference Genrad Inc |
NSN 5340-01-078-9814 is a Standoff,threaded,spacing, manufactured by Technipower Llc Dba Unipower, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-078-9814 has 1 manufacturer part number on file: 3491-6803 (Technipower Llc Dba Unipower).
Key specifications for 3491-6803: Left Counterbore Depth: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Length: 5.744 INCHES MINIMUM AND 5.756 INCHES MAXIMUM IN; Left Slot Width: 0.078 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Groove Diameter: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN. 11 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.