The Bolt,barrel, cataloged under National Stock Number 5340-01-182-5134, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-182-5134 |
| Primary Part Number | HS4171-3 |
| Item Name | Bolt,barrel |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Length | 1.750 INCHES NOMINAL HOUSING IN |
| Surface Treatment Document and Classification | MIL-A-8625 TY1 CL1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING |
| Surface Treatment Document and Classification | QQ-P-35 MIL SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE ACTIVE CASE |
| Diameter | 0.250 INCHES NOMINAL PIN IN |
| Surface Treatment | CADMIUM HOUSING |
| Surface Treatment | PASSIVATE SPRING |
| Surface Treatment | CADMIUM PIN |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | ALUMINUM HOUSING |
| Material | STEEL PIN |
| 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 |
|---|---|
| HS4171-3 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS4171-3 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| FTL1066-3 | 5/9 Secondary reference Fastener Technology Corp |
| H1000D1B75NR | 5/9 Secondary reference U.S. Government activity |
| F6-20-D1B75NR | 5/9 Secondary reference Southco Inc. |
NSN 5340-01-182-5134 is a Bolt,barrel, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-182-5134 has 1 manufacturer part number on file: HS4171-3 (The Boeing Company).
Key specifications for HS4171-3: Length: 1.750 INCHES NOMINAL HOUSING IN; Surface Treatment Document and Classification: MIL-A-8625 TY1 CL1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING; Surface Treatment Document and Classification: QQ-P-35 MIL SPEC SINGLE TREATMENT RESPONSE SPRING; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 2 MIL SPEC SINGLE TREATMENT RESPONSE ACTIVE CASE. 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.