The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-364-9384, 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 25 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-364-9384 |
| Primary Part Number | ST7M271-300 |
| 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 |
| Material Document and Classification | AMS 5518 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 5518 ASSN STD SINGLE MATERIAL RESPONSE SEGMENT |
| Material Document and Classification | AMS 5734, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE TRUNNION |
| 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 | 3.643 INCHES NOMINAL IN |
| Height | 0.219 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 3 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 301 BAND |
| Material | STEEL COMP 301 SEGMENT |
| Material | IRON ALLOY 660 NUT |
| Material | IRON ALLOY 660 TRUNNION |
| 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 |
|---|---|
| ST7M271-300 PRIMARY | The Boeing Company Div Defense (USA) |
| NM135032-0300 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 10J77-300 | Grimes Aerospace Company (USA) |
| Reference | Meaning |
|---|---|
| 4321AL300 | 5/9 Secondary reference U.S. Government activity |
NSN 5342-00-364-9384 is a Coupling,clamp,grooved, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-364-9384 has 3 manufacturer part numbers on file: ST7M271-300 (The Boeing Company Div Defense), NM135032-0300 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 10J77-300 (Grimes Aerospace Company).
Key specifications for ST7M271-300: 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. 25 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.