The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-288-6524, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Johnson E F. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-288-6524 |
| Primary Part Number | 313-6487-024 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Johnson E F |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.750 INCHES NOMINAL RIGHT INTERNAL IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 6.0 MILLIMETERS RIGHT INTERNAL MM |
| Cross-Sectional Shape | HEXAGON |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 32 RIGHT INTERNAL |
| Material | ALUMINUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| 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 |
|---|---|
| 313-6487-024 | Viking Technologies, Ltd. (USA) |
| 313-6487-024 | Electronic Hardware Ltd (USA) |
| 313-6487-024 PRIMARY | Johnson E F (USA) |
| Reference | Meaning |
|---|---|
| 313-6487-024 | 5/9 Secondary reference Viking Technologies, Ltd. |
| 13502856 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 13502856-2 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5340-01-288-6524 is a Standoff,threaded,spacing, manufactured by Johnson E F, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-288-6524 has 3 manufacturer part numbers on file: 313-6487-024 (Viking Technologies, Ltd.), 313-6487-024 (Electronic Hardware Ltd), 313-6487-024 (Johnson E F).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-487-8790. Verify interchangeability with system specifications before substitution.
Key specifications for 313-6487-024: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.750 INCHES NOMINAL IN; Thread Length: 0.750 INCHES NOMINAL RIGHT INTERNAL IN; Style Designator: INTERNALLY THREADED FULL LENGTH. 11 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.