The Coupling,clamp,grooved, cataloged under National Stock Number 5340-01-725-0509, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hydraflow. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-725-0509 |
| Primary Part Number | LC685-12C |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2700,METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY |
| Material Document and Classification | AMS 5638 OR 5640 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR ASTM A582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE OR AMS5560,5639 OR AMS-QQ-S-763 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR ASTM A376 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 2ND MATERIAL RESPONSE BODY |
| Shape | ROUND |
| Inside Diameter | 0.925 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BODY |
| Material | STEEL COMP 303 OR STEEL COMP 304 BODY |
| Latch Style | SINGLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Unit of Issue | EA |
NSN 5340-01-725-0509 is a Coupling,clamp,grooved, manufactured by Hydraflow, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-725-0509 has 2 manufacturer part numbers on file: LC685-12C (Hydraflow), LC685-12C (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for LC685-12C: Surface Treatment Document and Classification: AMS 2700,METHOD 1 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE BODY; Material Document and Classification: AMS 5638 OR 5640 AEROSPACE MATERIAL SPEC STD 1ST MATERIAL RESPONSE OR ASTM A582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 1ST MATERIAL RESPONSE OR AMS5560,5639 OR AMS-QQ-S-763 AEROSPACE MATERIAL SPEC STD 2ND MATERIAL RESPONSE OR ASTM A376 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 2ND MATERIAL RESPONSE BODY; Shape: ROUND; Inside Diameter: 0.925 INCHES MAXIMUM IN. 7 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.