The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-364-9342, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 19 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-364-9342 |
| Primary Part Number | ST7M271-150 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Band Width | 0.880 INCHES NOMINAL IN |
| Retainer Width | 1.120 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5525, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT |
| Shape | ROUND |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.032 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.037 INCHES NOMINAL IN |
| Inside Diameter | 2.129 INCHES NOMINAL IN |
| Height | 0.219 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 3 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 BOLT |
| Groove Width | 0.478 INCHES NOMINAL IN |
| Latch Style | SINGLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST7M271-150 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10J77-150 | 5/9 Secondary reference Grimes Aerospace Company |
| NM135032-0150 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| NM135032-0150 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 |
NSN 5342-00-364-9342 is a Coupling,clamp,grooved, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-364-9342 has 1 manufacturer part number on file: ST7M271-150 (The Boeing Company Div Defense).
Key specifications for ST7M271-150: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Band Width: 0.880 INCHES NOMINAL IN; Retainer Width: 1.120 INCHES NOMINAL IN; Material Document and Classification: AMS 5525, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.