The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-326-3863, 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 15 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 | 5340-01-326-3863 |
| Primary Part Number | 5624421 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Width Across Flats | 0.187 INCHES NOMINAL IN |
| Length | 0.230 INCHES NOMINAL IN |
| Thread Length | 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.190 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Nominal Thread Size | 0.138 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 0.200 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 |
|---|---|
| 5624421 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-326-3863 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-326-3863 has 1 manufacturer part number on file: 5624421 (Naval Sea Systems Command).
Key specifications for 5624421: Width Across Flats: 0.187 INCHES NOMINAL IN; Length: 0.230 INCHES NOMINAL IN; Thread Length: 0.170 INCHES MINIMUM AND 0.210 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN; Thread Length: 0.190 INCHES NOMINAL RIGHT EXTERNAL IN. 15 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.