The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-505-4208, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-505-4208 |
| Primary Part Number | 3590AS584-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | PLASTIC OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| 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 |
|---|---|
| 3590AS584-1 PRIMARY | Breeze-Eastern Llc (USA) |
| 3590AS584-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| P-513-M19-F16-632 | Unicorp. (USA) |
| Reference | Meaning |
|---|---|
| 3590AS584 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5340-01-505-4208 is a Standoff,threaded,spacing, manufactured by Breeze-Eastern Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-505-4208 has 3 manufacturer part numbers on file: 3590AS584-1 (Breeze-Eastern Llc), 3590AS584-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), P-513-M19-F16-632 (Unicorp.).
Key specifications for 3590AS584-1: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.250 INCHES NOMINAL IN; Thread Length: 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Style Designator: INTERNALLY THREADED FULL LENGTH. 11 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.