The Standoff,threaded,snap-in, cataloged under National Stock Number 5340-01-406-1205, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Unicorp.. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-406-1205 |
| Primary Part Number | 1357-M06-F13-440 |
| Item Name | Standoff,threaded,snap-in |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Unicorp. |
| Status | ACTIVE |
| Length | 1.875 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.187 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | QQ-A-225A,COMP 2,T-3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | LEFT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.187 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.187 INCHES RIGHT EXTERNAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Thread Quantity Per Inch | 40 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 40 RIGHT EXTERNAL |
| Material | ALUMINUM ALLOY 3003 OVERALL |
| Right Projection Diameter | 0.112 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| Right Projection Length | 0.187 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 |
|---|---|
| 1357-M06-F13-440 | Unicorp. (USA) |
| 163-28AL-440S | Promptus Electonic Hardware Inc (USA) |
| Reference | Meaning |
|---|---|
| 1002686-2 | 5/9 Secondary reference Raytheon Company Dba Raytheon |
| 1002686-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-406-1205 is a Standoff,threaded,snap-in, manufactured by Unicorp., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-406-1205 has 2 manufacturer part numbers on file: 1357-M06-F13-440 (Unicorp.), 163-28AL-440S (Promptus Electonic Hardware Inc).
Key specifications for 1357-M06-F13-440: Length: 1.875 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541C MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.250 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Thread Length: 0.187 INCHES NOMINAL RIGHT EXTERNAL IN. 18 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.