The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-883-5529, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-883-5529 |
| Primary Part Number | 544-6734-002 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Flange Width Across Flats | 0.375 INCHES NOMINAL IN |
| Corner Radius | 0.031 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Length | 1.786 INCHES MINIMUM AND 1.801 INCHES MAXIMUM IN |
| Flange Thickness | 0.853 INCHES NOMINAL IN |
| Style Designator | FLANGED LEFT INTERNAL THREAD |
| Diameter | 0.257 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGON |
| 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 |
|---|---|
| 544-6734-002 | Spencer Industries Inc (USA) |
| 544-6734-002 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5340-00-883-5529 is a Standoff,threaded,spacing, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-883-5529 has 2 manufacturer part numbers on file: 544-6734-002 (Spencer Industries Inc), 544-6734-002 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 544-6734-002: Flange Width Across Flats: 0.375 INCHES NOMINAL IN; Corner Radius: 0.031 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Length: 1.786 INCHES MINIMUM AND 1.801 INCHES MAXIMUM IN; Flange Thickness: 0.853 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.