The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-506-6339, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 17 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 | 5340-01-506-6339 |
| Primary Part Number | 901517R-.125-B1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Length | 0.185 INCHES NOMINAL IN |
| Left Projection Diameter | 0.375 INCHES NOMINAL IN |
| Left Projection Length | 1.000 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES NOMINAL LEFT EXTERNAL IN |
| Thread Length | 1.000 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | PROJECTION BOTH ENDS RIGHT EXTERNAL THREAD |
| Diameter | 0.426 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.375 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | ROUND |
| Thread Class | 2B RIGHT EXTERNAL |
| Thread Class | 2B LEFT EXTERNAL |
| Thread Quantity Per Inch | 16 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | COPPER ALLOY OVERALL |
| Right Projection Diameter | 0.375 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 1.000 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 |
|---|---|
| 901517R-.125-B1 PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 5340-01-506-6339 is a Standoff,threaded,spacing, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-506-6339 has 1 manufacturer part number on file: 901517R-.125-B1 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 901517R-.125-B1: Length: 0.185 INCHES NOMINAL IN; Left Projection Diameter: 0.375 INCHES NOMINAL IN; Left Projection Length: 1.000 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL LEFT EXTERNAL IN. 17 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.