The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-418-3765, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-418-3765 |
| Primary Part Number | 8164-A-0440-1A |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| Status | ACTIVE |
| Length | 1.187 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625D TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF |
| Thread Length | 0.250 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.250 INCHES NOMINAL LEFT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | QQ-A-225/3B FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-200/8 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC 4TH MATERIAL RESPONSE OR QQ-A-200/9C FED SPEC 5TH MATERIAL RESPONSE STANDOFF |
| Diameter | 0.112 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.112 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | ANODIZE STANDOFF |
| Thread Quantity Per Inch | 40 RIGHT INTERNAL |
| Material | ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6063 STANDOFF |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| 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 |
|---|---|
| 8164-A-0440-1A PRIMARY | Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA) |
| Reference | Meaning |
|---|---|
| 8164-A-0440-1A | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| GS500AD | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| GS500AD04A103A | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-01-418-3765 is a Standoff,threaded,spacing, manufactured by Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-418-3765 has 1 manufacturer part number on file: 8164-A-0440-1A (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware).
Key specifications for 8164-A-0440-1A: Length: 1.187 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625D TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF; Thread Length: 0.250 INCHES NOMINAL RIGHT INTERNAL IN; Thread Length: 0.250 INCHES NOMINAL LEFT EXTERNAL IN. 14 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.