The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-678-6706, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Marvin Land Systems, Inc.. Government technical data includes 18 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 | 5340-01-678-6706 |
| Primary Part Number | 402-0173 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Marvin Land Systems, Inc. |
| Status | ACTIVE |
| Width Across Flats | 12.0 MILLIMETERS NOMINAL MM |
| Thread Tolerance Class | 6H INTERNAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Tolerance Class | 6H INTERNAL RIGHT INTERNAL |
| Length | 54.5 MILLIMETERS MINIMUM AND 55.5 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.0 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Pitch in Millimeters | 1.0 RIGHT INTERNAL |
| Thread Length | 15.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Thread Length | 15.0 MILLIMETERS MINIMUM AND 16.0 MILLIMETERS MAXIMUM RIGHT INTERNAL MM |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | ASTM A479 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 6.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Nominal Thread Size | 6.0 MILLIMETERS RIGHT INTERNAL MM |
| Cross-Sectional Shape | HEXAGON |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | ISO M LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | ISO M 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 |
| Part Number | Manufacturer |
|---|---|
| 402-0173 PRIMARY | Marvin Land Systems, Inc. (USA) |
NSN 5340-01-678-6706 is a Standoff,threaded,spacing, manufactured by Marvin Land Systems, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-678-6706 has 1 manufacturer part number on file: 402-0173 (Marvin Land Systems, Inc.).
Key specifications for 402-0173: Width Across Flats: 12.0 MILLIMETERS NOMINAL MM; Thread Tolerance Class: 6H INTERNAL LEFT INTERNAL (INCLUDES THRU THREAD); Thread Tolerance Class: 6H INTERNAL RIGHT INTERNAL; Length: 54.5 MILLIMETERS MINIMUM AND 55.5 MILLIMETERS MAXIMUM MM. 18 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.