The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-409-1393, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-409-1393 |
| Primary Part Number | 58-413-2 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Width Across Flats | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Length | 1.486 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN |
| Groove Diameter | 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Cross-Sectional Shape | HEXAGON |
| Shoulder Diameter | 0.360 INCHES MINIMUM IN |
| Shoulder Length | 0.010 INCHES NOMINAL IN |
| Groove Width | 0.060 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 |
NSN 5340-00-409-1393 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-409-1393 has 2 manufacturer part numbers on file: 1771167-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 58-413-2 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 58-413-2: Width Across Flats: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN; Length: 1.486 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN; Groove Diameter: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 8 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.