The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-351-9548, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 8 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-351-9548 |
| Primary Part Number | 164488-100 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Length | 0.185 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| 164488-100 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 5340-01-351-9548 is a Standoff,threaded,spacing, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-351-9548 has 1 manufacturer part number on file: 164488-100 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 164488-100: Width Across Flats: 0.750 INCHES NOMINAL IN; Length: 0.185 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. 8 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.