The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-509-9064, 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 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 | 5340-01-509-9064 |
| Primary Part Number | 6392545-2 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Length | 0.584 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Thread Length | 0.250 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD 1ST MATERIAL RESPONSE OR TYPE 303SE ASSN STD 2ND MATERIAL RESPONSE OR TYPE XM-1, CONDITION A ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.250 INCHES RIGHT INTERNAL IN |
| Nominal Thread Size | 0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 203EZ OVERALL |
| 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 |
| Unit of Issue | EA |
NSN 5340-01-509-9064 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-9064 has 2 manufacturer part numbers on file: 6392545-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 6392545-2 (Naval Sea Systems Command).
Key specifications for 6392545-2: Width Across Flats: 0.188 INCHES NOMINAL IN; Length: 0.584 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Thread Length: 0.250 INCHES NOMINAL RIGHT INTERNAL 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.