The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-177-3066, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation. 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 | 5340-01-177-3066 |
| Primary Part Number | 71331383-001 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation |
| Status | ACTIVE |
| Flange Diameter | 0.188 INCHES NOMINAL IN |
| Length | 0.468 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-T-10727 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| Flange Thickness | 0.220 INCHES NOMINAL IN |
| Style Designator | FLANGED WITH LEFT INTERNAL THREAD |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.112 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.086 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Surface Treatment | TIN STANDOFF |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 RIGHT EXTERNAL |
| Thread Quantity Per Inch | 56 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL COMP 1018 STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| 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 |
|---|---|
| 71331383-001 PRIMARY | Lockheed Martin Corporation (USA) |
NSN 5340-01-177-3066 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-177-3066 has 1 manufacturer part number on file: 71331383-001 (Lockheed Martin Corporation).
Key specifications for 71331383-001: Flange Diameter: 0.188 INCHES NOMINAL IN; Length: 0.468 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-T-10727 TY 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF; Flange Thickness: 0.220 INCHES NOMINAL IN. 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.