The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-126-2858, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-126-2858 |
| Primary Part Number | 128161-003 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Length | 0.680 INCHES NOMINAL IN |
| Thread Length | 0.150 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Shoulder Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Shoulder Length | 0.500 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 |
|---|---|
| 128161-003 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5340-01-126-2858 is a Standoff,threaded,spacing, manufactured by Astronautics Corporation of America, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-126-2858 has 1 manufacturer part number on file: 128161-003 (Astronautics Corporation of America).
Key specifications for 128161-003: Length: 0.680 INCHES NOMINAL IN; Thread Length: 0.150 INCHES NOMINAL RIGHT EXTERNAL IN; Style Designator: PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD; Shoulder Width Across Flats: 0.188 INCHES NOMINAL IN. 7 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.