The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-509-9014, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 20 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-509-9014 |
| Primary Part Number | 5D89749ITEM20 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Div Marine Systems |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-F-14072A, (EL) E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Thread Length | 0.375 INCHES NOMINAL RIGHT INTERNAL IN |
| Thread Length | 0.375 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Material Document and Classification | QQ-S-763, CLASS 303, CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.138 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| 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 |
|---|---|
| 5D89749ITEM20 PRIMARY | Northrop Grumman Systems Corporation Div Marine Systems (USA) |
| P-537-M09-F09-632 | Unicorp. (USA) |
NSN 5340-01-509-9014 is a Standoff,threaded,spacing, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-509-9014 has 2 manufacturer part numbers on file: 5D89749ITEM20 (Northrop Grumman Systems Corporation Div Marine Systems), P-537-M09-F09-632 (Unicorp.).
Key specifications for 5D89749ITEM20: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-F-14072A, (EL) E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Thread Length: 0.375 INCHES NOMINAL RIGHT INTERNAL IN. 20 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.