The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-582-6331, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-582-6331 |
| Primary Part Number | HS6003AA3-20750 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Flange Diameter | 1.250 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | FLANGED |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNF 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 |
|---|---|
| HS6003AA3-20750 PRIMARY | The Boeing Company (USA) |
| CB3001AA3-20750 | Click Bond Inc (USA) |
| Reference | Meaning |
|---|---|
| HS6003 | D/9 Drawing number reference only The Boeing Company |
NSN 5340-01-582-6331 is a Standoff,threaded,spacing, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-582-6331 has 2 manufacturer part numbers on file: HS6003AA3-20750 (The Boeing Company), CB3001AA3-20750 (Click Bond Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-620-8068. Verify interchangeability with system specifications before substitution.
Key specifications for HS6003AA3-20750: Flange Diameter: 1.250 INCHES NOMINAL IN; Thread Length: 1.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Style Designator: FLANGED; Thread Direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). 10 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.