The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-605-9553, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-605-9553 |
| Primary Part Number | 99002A2079-2 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Length | 3.750 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.370 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | MIL-STD-130, NYLON L-9-410, TYPE 6/6 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.500 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 0.190 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.190 INCHES RIGHT EXTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 24 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT EXTERNAL |
| Material | PLASTIC OVERALL |
| Thread Series Designator | UNF RIGHT EXTERNAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Right Projection Length | 0.370 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 |
|---|---|
| 99002A2079-2 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| Reference | Meaning |
|---|---|
| 99002A2079 | D/9 Drawing number reference only Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 5340-01-605-9553 is a Standoff,threaded,spacing, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-605-9553 has 1 manufacturer part number on file: 99002A2079-2 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 99002A2079-2: Length: 3.750 INCHES NOMINAL IN; Thread Length: 0.500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN; Thread Length: 0.370 INCHES NOMINAL RIGHT EXTERNAL IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 19 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.