The Clamp,loop, cataloged under National Stock Number 5340-01-115-2886, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-115-2886 |
| Primary Part Number | S663WDG13 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | OIL RESISTANT AND HEAT AND WEATHER RESISTANT |
| Fastening Device Type | LOCK TAB |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Material Document and Classification | QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.172 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.877 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Inside Diameter | 0.798 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| 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 |
|---|---|
| S663WDG13 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC28WD13 PRIMARY | J & M Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10117658 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST9M588WDG13 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 815WD13 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-115-2886 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-115-2886 has 2 manufacturer part numbers on file: S663WDG13 (Umpco, Inc. Dba Umpco Inc), JM44LC28WD13 (J & M Products, Inc).
Key specifications for S663WDG13: Cushioning Environmental Protection: OIL RESISTANT AND HEAT AND WEATHER RESISTANT; Fastening Device Type: LOCK TAB; Style Designator: SINGLE LOOP; Material Document and Classification: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION. 13 specifications are documented in the U.S. Government catalog.
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.