The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-012-2594, 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 18 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 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 | 5340-01-012-2594 |
| Primary Part Number | 120818 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Smaller Groove Diameter | 0.103 INCHES MINIMUM IN |
| Length | 2.968 INCHES MINIMUM AND 2.972 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Groove Diameter | 0.175 INCHES NOMINAL IN |
| Thread Length | 0.210 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.266 INCHES NOMINAL RIGHT EXTERNAL IN |
| Distance From End to Groove | 0.120 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A582, TYPE 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.250 INCHES NOMINAL IN |
| Smaller Groove Width | 0.030 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| Shoulder Diameter | 0.1870 INCHES MINIMUM AND 0.1875 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Distance From End to Hole Center | 0.750 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Material | STEEL COMP 303SE OVERALL |
| Shoulder Length | 0.030 INCHES NOMINAL IN |
| Groove Width | 1.380 INCHES NOMINAL IN |
| Hole Quantity Perpendicular to Axis | 1 |
| 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 |
|---|---|
| 120818 PRIMARY | Astronautics Corporation of America (USA) |
NSN 5340-01-012-2594 is a Standoff,threaded,spacing, manufactured by Astronautics Corporation of America, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-012-2594 has 1 manufacturer part number on file: 120818 (Astronautics Corporation of America).
1 possible match (shared part number, not a government interchangeability claim): 9390-01-097-2029. Verify interchangeability with system specifications before substitution.
Key specifications for 120818: Smaller Groove Diameter: 0.103 INCHES MINIMUM IN; Length: 2.968 INCHES MINIMUM AND 2.972 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Groove Diameter: 0.175 INCHES NOMINAL IN. 18 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.