The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-288-2170, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-288-2170 |
| Primary Part Number | 1465AS806-4 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Length | 0.263 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A FED SPEC 2ND TREATMENT RESPONSE OR MIL-C-5541, CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL A |
| Thread Length | 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Thread Length | 0.312 INCHES NOMINAL RIGHT EXTERNAL IN |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | QQ-A-225/3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | CHROMATE OVERALL |
| Material | ALUMINUM ALLOY 2011 OVERALL |
| 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 |
|---|---|
| 1465AS806-4 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3404-H-268-11-S | C/1 Advisory reference — outside the item-of-supply concept Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| 3404-H-.268-.118-SS-1 | 5/9 Secondary reference Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
NSN 5340-01-288-2170 is a Standoff,threaded,spacing, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-288-2170 has 1 manufacturer part number on file: 1465AS806-4 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1465AS806-4: Width Across Flats: 0.250 INCHES NOMINAL IN; Length: 0.263 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A FED SPEC 2ND TREATMENT RESPONSE OR MIL-C-5541, CLASS 3 MIL SPEC 2ND TREATMENT RESPONSE OVERALL A; Thread Length: 0.250 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN. 10 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.