The Clamp,loop, cataloged under National Stock Number 5340-01-004-7528, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Smiths Tubular Systems-Laconia, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-004-7528 |
| Primary Part Number | X218-125 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Cushioning Environmental Protection | HEAT |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.080 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.862 INCHES NOMINAL IN |
| Material | STEEL COMP 321 BAND |
| Material | STEEL COMP 304 CUSHION |
| Loop Inside Diameter | 0.781 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 |
|---|---|
| X218-125 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 389-125 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-004-7528 is a Clamp,loop, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-004-7528 has 1 manufacturer part number on file: X218-125 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for X218-125: Cushioning Environmental Protection: HEAT; Style Designator: SINGLE LOOP; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE CUSHION. 12 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.