The Clamp,loop, cataloged under National Stock Number 5340-01-497-4172, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls Royce Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-497-4172 |
| Primary Part Number | MS21919WCJ40 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls Royce Corp |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| Style Designator | OFFSET MOUNT |
| Diameter | 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.946 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.713 INCHES MINIMUM AND 1.743 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ 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 | Y |
| Part Number | Manufacturer |
|---|---|
| MS21919WCJ40 PRIMARY | Rolls Royce Corp (USA) |
| Reference | Meaning |
|---|---|
| MS21919WCJ40 | 6/9 Informative reference only Royal Malaysian Airforce |
NSN 5340-01-497-4172 is a Clamp,loop, manufactured by Rolls Royce Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-497-4172 has 1 manufacturer part number on file: MS21919WCJ40 (Rolls Royce Corp).
Key specifications for MS21919WCJ40: Criticality Code Justification: AGAV; Style Designator: OFFSET MOUNT; Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Overall Width: 0.500 INCHES NOMINAL IN. 9 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.