The Clamp,loop, cataloged under National Stock Number 5340-01-270-4308, 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 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-270-4308 |
| Primary Part Number | X218-103 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Smiths Tubular Systems-Laconia, Inc. |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Diameter | 0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.374 INCHES MINIMUM AND 1.404 INCHES MAXIMUM IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.161 INCHES MINIMUM AND 1.181 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING BAND |
| Loop Inside Diameter | 1.344 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 |
|---|---|
| X218-103 PRIMARY | Smiths Tubular Systems-Laconia, Inc. (USA) |
| Reference | Meaning |
|---|---|
| AS3257-24 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5340-01-270-4308 is a Clamp,loop, manufactured by Smiths Tubular Systems-Laconia, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-270-4308 has 1 manufacturer part number on file: X218-103 (Smiths Tubular Systems-Laconia, Inc.).
Key specifications for X218-103: Style Designator: SINGLE LOOP; Diameter: 0.109 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Overall Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Material Thickness: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN. 8 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.