The Clamp,loop, cataloged under National Stock Number 5340-01-642-6088, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Plc Naval Marine. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-642-6088 |
| Primary Part Number | 231-31-1500 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rolls-Royce Plc Naval Marine |
| Status | ACTIVE |
| Style Designator | DOUBLE T-BOLT |
| Material Thickness | 0.80 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 |
|---|---|
| 231-31-1500 | Rolls-Royce Plc Naval Marine (GBR) |
| Reference | Meaning |
|---|---|
| 231-31-1500 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-642-6088 is a Clamp,loop, manufactured by Rolls-Royce Plc Naval Marine, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-642-6088 has 1 manufacturer part number on file: 231-31-1500 (Rolls-Royce Plc Naval Marine).
Key specifications for 231-31-1500: Style Designator: DOUBLE T-BOLT; Material Thickness: 0.80 INCHES NOMINAL IN; Special Features: NAME SUBMITTED FOR CATALOGING-SEAL ASSEMBLY, SHAFT SPRING;ALL ASSEMBLY PIECES ARE OF NICKEL ALLOY-BARREL TRUNION T50-NI ALLOY 718 AMS 5663;BARREL NUT .3125-24 UNJF-2B NI ALLOY AMS 5663;SOCKET HD.BOLT .3125-24 UNJF-3A X 3.00 LG.NI ALLOY 718 AMS 5663;RETAINER 2F 3E NI ALLOY 718 AMS 5596;BAND,BBL TRUNION .062 X 1000W NI 2F 5E NI ALLOY 718 AMS 5596;BAND,BBL NUT .062 X 1000W 2F 5E NI ALLOY 718 AMS 5596 A; Part Name Assigned by Controlling Agency: SPECIAL 82413 V-BAND COUPLING I.R. ENERGY V. 2 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.