The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-391-8433, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Boeing Company, the Dba Boeing. Government technical data includes 24 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 | 5340-01-391-8433 |
| Primary Part Number | VB021022-003 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Boeing Company, the Dba Boeing |
| Status | ACTIVE |
| Length | 0.300 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Flat | 0.275 INCHES NOMINAL IN |
| Thread Length | 0.200 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.330 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.550 INCHES NOMINAL IN |
| Distance From Centerline to Second Flat | 0.275 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.190 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.159 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A RIGHT EXTERNAL A |
| Thread Class | 3B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | STEEL COMP 303MA OVERALL |
| Right Projection Diameter | 0.190 INCHES NOMINAL IN |
| Thread Series Designator | UNF RIGHT EXTERNAL |
| Thread Series Designator | UNF LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 0.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| VB021022-003 PRIMARY | Boeing Company, the Dba Boeing (USA) |
NSN 5340-01-391-8433 is a Standoff,threaded,spacing, manufactured by Boeing Company, the Dba Boeing, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-391-8433 has 1 manufacturer part number on file: VB021022-003 (Boeing Company, the Dba Boeing).
Key specifications for VB021022-003: Length: 0.300 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Centerline to Flat: 0.275 INCHES NOMINAL IN; Thread Length: 0.200 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN. 24 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 5340-01-391-8433 has DEMIL Code B. 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.