The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-235-9898, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Librascope Corporation. Government technical data includes 20 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 | 5340-01-235-9898 |
| Primary Part Number | L320004447 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Flange Width Across Flats | 0.440 INCHES NOMINAL IN |
| Length | 11.808 INCHES NOMINAL IN |
| Flange Thickness | 0.100 INCHES NOMINAL IN |
| Thread Length | 0.438 INCHES NOMINAL RIGHT EXTERNAL IN |
| Thread Length | 0.220 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Criticality Code Justification | FEAT |
| Style Designator | FLANGED WITH LEFT INTERNAL THREAD |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.216 INCHES RIGHT EXTERNAL IN |
| Surface Treatment | PASSIVATE STANDOFF |
| Thread Class | 3A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 48 RIGHT EXTERNAL |
| Material | STEEL COMP 630 STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNS RIGHT EXTERNAL |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | M |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| L320004447 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
NSN 5340-01-235-9898 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-235-9898 has 1 manufacturer part number on file: L320004447 (Lockheed Martin Librascope Corporation).
Key specifications for L320004447: Flange Width Across Flats: 0.440 INCHES NOMINAL IN; Length: 11.808 INCHES NOMINAL IN; Flange Thickness: 0.100 INCHES NOMINAL IN; Thread Length: 0.438 INCHES NOMINAL RIGHT EXTERNAL IN. 20 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.
NSN 5340-01-235-9898 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.