The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-281-7269, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-281-7269 |
| Primary Part Number | 122-5343944 PC11 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Left End Chamfer Angle | 45.0 DEGREES NOMINAL |
| Length | 3.500 INCHES NOMINAL IN |
| Left Slot Width | 0.120 INCHES NOMINAL IN |
| Right End Chamfer Depth | 0.060 INCHES NOMINAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT INTERNAL THREADS |
| Diameter | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM IN |
| Right End Chamfer Angle | 45.0 DEGREES NOMINAL |
| Right Slot Width | 0.120 INCHES NOMINAL IN |
| Cross-Sectional Shape | ROUND |
| Distance From End to Hole Center | 1.000 INCHES NOMINAL IN |
| Left End Chamfer Depth | 0.060 INCHES NOMINAL IN |
| Right Slot Depth | 0.380 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 |
|---|---|
| 122-5486623 PC56 | Naval Sea Systems Command (USA) |
| 122-5343944 PC11 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 37-40-7810 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-281-7269 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-281-7269 has 2 manufacturer part numbers on file: 122-5486623 PC56 (Naval Sea Systems Command), 122-5343944 PC11 (Naval Sea Systems Command).
Key specifications for 122-5343944 PC11: Left End Chamfer Angle: 45.0 DEGREES NOMINAL; Length: 3.500 INCHES NOMINAL IN; Left Slot Width: 0.120 INCHES NOMINAL IN; Right End Chamfer Depth: 0.060 INCHES NOMINAL IN. 13 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.