The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-172-8701, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-172-8701 |
| Primary Part Number | 31995 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Length | 0.080 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Groove Diameter | 0.095 INCHES NOMINAL IN |
| Distance From End to Groove | 0.050 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-502 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | SQUARE |
| Surface Treatment | SILVER OVERALL |
| Material | COPPER ALLOY 110 OVERALL |
| Groove Width | 0.240 INCHES NOMINAL IN |
| 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 |
|---|---|
| 31995 PRIMARY | Hamilton Sundstrand Corporation (USA) |
| Reference | Meaning |
|---|---|
| 31995 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
| 31995 | C/1 Advisory reference — outside the item-of-supply concept Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5340-01-172-8701 is a Standoff,threaded,spacing, manufactured by Hamilton Sundstrand Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-172-8701 has 1 manufacturer part number on file: 31995 (Hamilton Sundstrand Corporation).
Key specifications for 31995: Width Across Flats: 0.500 INCHES NOMINAL IN; Length: 0.080 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Groove Diameter: 0.095 INCHES NOMINAL 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.