The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-161-5734, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-161-5734 |
| Primary Part Number | 7M550-20C |
| 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 |
| Shape | ROUND |
| Sealing Inner Liner | NOT INCLUDED |
| Inside Diameter | 1.250 INCHES NOMINAL IN |
| Segment Quantity | 2 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 7M550-20C PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| W901C20CE | C/1 Advisory reference — outside the item-of-supply concept Transdigm Inc Div Adelwiggins Group |
| W901C20C2 | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
NSN 5342-01-161-5734 is a Coupling,clamp,grooved, manufactured by The Boeing Company Div Defense, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-161-5734 has 1 manufacturer part number on file: 7M550-20C (The Boeing Company Div Defense).
Key specifications for 7M550-20C: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shape: ROUND; Sealing Inner Liner: NOT INCLUDED; Inside Diameter: 1.250 INCHES NOMINAL IN. 8 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.