The Clamp,loop, cataloged under National Stock Number 5340-01-188-9702, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Item Name | Clamp,loop |
| FSC / FSG | 5340 — Hardware, Commercial (FSG 53) |
| Manufacturers | Umpco, Inc. Dba Umpco Inc (CAGE 18076); J & M Products, Inc (CAGE 22175); The Boeing Company Div Defense (CAGE 76301) |
| Parameter | Value |
|---|---|
| NSN | 5340-01-188-9702 |
| Primary Part Number | ST9M588WDG4 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| 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 |
|---|---|
| S663WDG4 | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC28WD4 | J & M Products, Inc (USA) |
| ST9M588WDG4 | J & M Products, Inc (USA) |
| ST9M588WDG4 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 815WD4 | 5/9 Secondary reference U.S. Government activity |
| 642AS1641-4 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| TA0220060WCR4 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-188-9702 is a Clamp,loop, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-188-9702 has 4 manufacturer part numbers on file: S663WDG4 (Umpco, Inc. Dba Umpco Inc), JM44LC28WD4 (J & M Products, Inc), ST9M588WDG4 (J & M Products, Inc), ST9M588WDG4 (The Boeing Company Div Defense).
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.