The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-232-5961, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-232-5961 |
| Primary Part Number | 128901 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 1.530 INCHES NOMINAL IN |
| Distance Between Hole Centers | 0.812 INCHES NOMINAL IN |
| Style Designator | PROJECTION BOTH ENDS LEFT AND RIGHT INTERNAL THREADS |
| Cross-Sectional Shape | HEXAGON |
| Distance From End to Hole Center | 0.420 INCHES NOMINAL IN |
| Hole Quantity Perpendicular to Axis | 2 |
| 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 |
|---|---|
| 128901-002 | Astronautics Corporation of America (USA) |
| 128901 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5340-01-232-5961 is a Standoff,threaded,spacing, manufactured by Astronautics Corporation of America, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-232-5961 has 2 manufacturer part numbers on file: 128901-002 (Astronautics Corporation of America), 128901 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-492-2243. Verify interchangeability with system specifications before substitution.
Key specifications for 128901: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 1.530 INCHES NOMINAL IN; Distance Between Hole Centers: 0.812 INCHES NOMINAL IN; Style Designator: PROJECTION BOTH ENDS LEFT AND RIGHT INTERNAL THREADS. 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.