The Clamp,loop, cataloged under National Stock Number 5340-01-578-3555, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-578-3555 |
| Primary Part Number | ST9M588WDF28 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Cushioning Environmental Protection | WEATHER RESISTANT |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-A-250/5, T-4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.669 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.374 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Inside Diameter | 1.735 INCHES MINIMUM AND 1.765 INCHES MAXIMUM 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 |
|---|---|
| ST9M588WDF28 PRIMARY | The Boeing Company Div Defense (USA) |
| 815WD28NB | The Boeing Company Div Defense (USA) |
NSN 5340-01-578-3555 is a Clamp,loop, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-578-3555 has 2 manufacturer part numbers on file: ST9M588WDF28 (The Boeing Company Div Defense), 815WD28NB (The Boeing Company Div Defense).
Key specifications for ST9M588WDF28: Cushioning Environmental Protection: WEATHER RESISTANT; Style Designator: SINGLE LOOP; Material Document and Classification: QQ-A-250/5, T-4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.204 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.