The Coupling,clamp,grooved, cataloged under National Stock Number 5342-01-338-8446, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-338-8446 |
| Primary Part Number | S136-1LH |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Band Width | 10.750 INCHES NOMINAL IN |
| Shape | ROUND |
| Sealing Inner Liner | INCLUDED |
| Segment Quantity | 1 |
| 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 |
|---|---|
| S136-1LH PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| S1361LH ZZ | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
NSN 5342-01-338-8446 is a Coupling,clamp,grooved, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-338-8446 has 1 manufacturer part number on file: S136-1LH (Umpco, Inc. Dba Umpco Inc).
Key specifications for S136-1LH: Band Width: 10.750 INCHES NOMINAL IN; Shape: ROUND; Sealing Inner Liner: INCLUDED; Special Features: FOUR MOUNTING HOLES 0.205 IN. NOM DIA; 12 RIVETS IN. 5 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.