The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-259-8438, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-259-8438 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Length | 1.750 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| 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 |
| Reference | Meaning |
|---|---|
| 863T2100052-008 | 3/9 Design control — primary reference Lockheed Martin Corp |
| 863T2100052 | D/9 Drawing number reference only Lockheed Martin Corp |
NSN 5340-01-259-8438 is a Standoff,threaded,spacing, classified under FSC 5340, Hardware, Commercial. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-259-8439. Verify interchangeability with system specifications before substitution.
Key specifications for 5340-01-259-8438: Length: 1.750 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape: ROUND. 4 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.