The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-055-2310, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-055-2310 |
| Primary Part Number | 860456-133 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Width Across Flats | 0.380 INCHES NOMINAL IN |
| Length | 2.000 INCHES NOMINAL IN |
| Groove Diameter | 0.151 INCHES MAXIMUM IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Cross-Sectional Shape | HEXAGON |
| Groove Width | 0.047 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 |
|---|---|
| 860456-133 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 9766SS1032-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 860456-133 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 721649-15 | 7/2 Vendor item drawing reference Raytheon Company Div Rmd Strategic |
| 11455972 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
| 9766SS1032-7 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
NSN 5340-00-055-2310 is a Standoff,threaded,spacing, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-055-2310 has 1 manufacturer part number on file: 860456-133 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 860456-133: Width Across Flats: 0.380 INCHES NOMINAL IN; Length: 2.000 INCHES NOMINAL IN; Groove Diameter: 0.151 INCHES MAXIMUM IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 6 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.