The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-243-7359, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lobaugh Rollin J. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-243-7359 |
| Primary Part Number | SM-A-800570-12 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lobaugh Rollin J |
| Status | ACTIVE |
| Left Counterbore Depth | 0.094 INCHES NOMINAL IN |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.940 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Left Counterbore Diameter | 0.135 INCHES MINIMUM AND 0.139 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 |
|---|---|
| SM-A-800570-12 PRIMARY | Lobaugh Rollin J (USA) |
| Reference | Meaning |
|---|---|
| SM-A-800570-12 | 5/9 Secondary reference Modern Machine Works, Inc. Dba Modern Machine Works |
| SM-A-800570-12 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5340-01-243-7359 is a Standoff,threaded,spacing, manufactured by Lobaugh Rollin J, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-243-7359 has 1 manufacturer part number on file: SM-A-800570-12 (Lobaugh Rollin J).
Key specifications for SM-A-800570-12: Left Counterbore Depth: 0.094 INCHES NOMINAL IN; Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.940 INCHES NOMINAL IN; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 6 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.