The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-442-0440, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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 | 5340-01-442-0440 |
| Primary Part Number | 752-6406821-155 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 0.8400 INCHES NOMINAL IN |
| Thread Length | 0.3430 INCHES NOMINAL RIGHT INTERNAL IN |
| Style Designator | PROJECTION ONE END |
| Diameter | 0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.1380 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Right Projection Diameter | 0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Right Projection Length | 0.1080 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 |
|---|---|
| 752-6406821-155 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-442-0440 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-442-0440 has 1 manufacturer part number on file: 752-6406821-155 (Naval Sea Systems Command).
Key specifications for 752-6406821-155: Length: 0.8400 INCHES NOMINAL IN; Thread Length: 0.3430 INCHES NOMINAL RIGHT INTERNAL IN; Style Designator: PROJECTION ONE END; Diameter: 0.3134 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN. 12 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.