The Clamp,loop, cataloged under National Stock Number 5340-01-445-6726, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Butyl Products Limited. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-445-6726 |
| Primary Part Number | BP1222 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Butyl Products Limited |
| Status | ACTIVE |
| 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 | 2.256 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, THREADED |
| Center to Center Distance Between Loop and Mounting Hole | 2.038 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q CUSHION |
| Material | STEEL CORROSION RESISTING BAND |
| Loop Inside Diameter | 3.125 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 |
| Part Number | Manufacturer |
|---|---|
| BP1222 | Butyl Products Limited (GBR) |
| G3 400-91-7118 | G3 Systems Limited (GBR) |
| Reference | Meaning |
|---|---|
| MS21919CH50 | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-8603 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-8603 | 4/1 Identification reference U.S. Government activity |
| G3 400-91-7118 | 5/9 Secondary reference G3 Systems Ltd |
NSN 5340-01-445-6726 is a Clamp,loop, manufactured by Butyl Products Limited, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-445-6726 has 2 manufacturer part numbers on file: BP1222 (Butyl Products Limited), G3 400-91-7118 (G3 Systems Limited).
Key specifications for BP1222: Style Designator: OFFSET MOUNT; Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Overall Width: 0.500 INCHES NOMINAL IN; Material Thickness: 0.040 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.