The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-106-1304, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-106-1304 |
| Primary Part Number | 21257 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — No Item Name Available |
| Manufacturer | Smiths Aerospace, Inc., Electronic Systems-Grand Rapids |
| Status | ACTIVE |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Cross-Sectional Shape | ROUND |
| Length | 0.600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5340-01-106-1304 is a Standoff,threaded,spacing, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5340 (No Item Name Available). Status: active.
NSN 5340-01-106-1304 has 2 cross-referenced part numbers: 21257E (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 21257 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).
There are 5 known substitutes for 5340-01-106-1304: 6130-00-860-3420, 5110-00-199-7292, 5977-00-799-8136 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21257: Style Designator: INTERNALLY THREADED FULL LENGTH; Surface Treatment: CHROMATE OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A. 6 total characteristics are documented in the Federal Logistics Information System.