The Clamp,loop, cataloged under National Stock Number 5340-01-238-8428, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-238-8428 |
| Primary Part Number | HS5400-0005 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | MIL-S-25043,COND TH1100 MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 0.779 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.546 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN |
| Material | STEEL COMP 631 BAND |
| Material | RUBBER BUTADIENE NITRILE CUSHION |
| Loop Inside Diameter | 0.312 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 |
|---|---|
| HS5400-0005 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS5400-0005 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| TA0260004NB05 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-238-8428 is a Clamp,loop, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-238-8428 has 1 manufacturer part number on file: HS5400-0005 (The Boeing Company).
Key specifications for HS5400-0005: Style Designator: OFFSET MOUNT; Material Document and Classification: MIL-S-25043,COND TH1100 MIL SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.281 INCHES NOMINAL IN; Overall Width: 0.500 INCHES NOMINAL IN. 11 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.