The Clamp,loop, cataloged under National Stock Number 5340-01-412-7553, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is J & M Products, Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-412-7553 |
| Primary Part Number | JM44LC90D40PB |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | J & M Products, Inc |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | QQ-A-250/5 T4 OR T42 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.064 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 2.003 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.784 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | GLASS FIBER AND PLASTIC POLYTETRAFLUOROETHYLENE CUSHION |
| Loop Inside Diameter | 2.500 INCHES NOMINAL 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 |
|---|---|
| JM44LC90D40PB PRIMARY | J & M Products, Inc (USA) |
| S656D40 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| 9M983D40 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 11437D40PB | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-412-7553 is a Clamp,loop, manufactured by J & M Products, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-412-7553 has 3 manufacturer part numbers on file: JM44LC90D40PB (J & M Products, Inc), S656D40 (Umpco, Inc. Dba Umpco Inc), 9M983D40 (The Boeing Company Div Defense).
Key specifications for JM44LC90D40PB: Style Designator: OFFSET MOUNT; Material Document and Classification: QQ-A-250/5 T4 OR T42 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.204 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN. 10 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.