The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-135-6743, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Mayo Company Inc. Dba Dragon Equipment. Government technical data includes 16 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 | 5340-01-135-6743 |
| Primary Part Number | 20-33736-A |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Mayo Company Inc. Dba Dragon Equipment |
| Status | ACTIVE |
| Width Across Flats | 0.3040 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN |
| Length | 2.0000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS2403 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| Thread Length | 0.5000 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | PROJECTION ONE END W/ RIGHT EXTERNAL THREAD |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Nominal Thread Size | 0.1640 INCHES RIGHT EXTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | CADMIUM AND NICKEL STANDOFF |
| Thread Class | 3A RIGHT EXTERNAL A |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | TITANIUM ALLOY UNS R56400 STANDOFF |
| Right Projection Diameter | 0.5000 INCHES NOMINAL IN |
| Thread Series Designator | UNJC RIGHT EXTERNAL |
| Right Projection Length | 2.0000 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 20-33736-A PRIMARY | Mayo Company Inc. Dba Dragon Equipment (USA) |
NSN 5340-01-135-6743 is a Standoff,threaded,spacing, manufactured by Mayo Company Inc. Dba Dragon Equipment, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-135-6743 has 1 manufacturer part number on file: 20-33736-A (Mayo Company Inc. Dba Dragon Equipment).
Key specifications for 20-33736-A: Width Across Flats: 0.3040 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN; Length: 2.0000 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS2403 ASSN STD SINGLE TREATMENT RESPONSE AND QQ-P-416, TY 2 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF; Thread Length: 0.5000 INCHES NOMINAL RIGHT EXTERNAL IN. 16 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.