The Clamp,loop, cataloged under National Stock Number 5340-01-339-6783, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-339-6783 |
| Primary Part Number | SS7563-12NBCL |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED STD SINGLE TREATMENT RESPONSE BAND |
| Fastening Device Type | SELF-LOCKING HEXAGON NUT |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.194 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.053 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.820 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Material | STEEL COMP 631 BAND |
| Material | RUBBER BUTADIENE NITRILE CUSHION |
| Loop Inside Diameter | 0.750 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 |
|---|---|
| SS7563-12NBCL | J & M Products, Inc (USA) |
| SS7563-12NBCL | Umpco, Inc. Dba Umpco Inc (USA) |
| SS7563-12NBCL PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| SS7563-12NBCL | 5/2 Secondary reference U.S. Government activity |
| SS7563-12NBCL | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-339-6783 is a Clamp,loop, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-339-6783 has 3 manufacturer part numbers on file: SS7563-12NBCL (J & M Products, Inc), SS7563-12NBCL (Umpco, Inc. Dba Umpco Inc), SS7563-12NBCL (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for SS7563-12NBCL: Surface Treatment Document and Classification: QQ-P-35 FED STD SINGLE TREATMENT RESPONSE BAND; Fastening Device Type: SELF-LOCKING HEXAGON NUT; Style Designator: SINGLE LOOP; Material Document and Classification: MIL-S-25043 MIL SPEC SINGLE MATERIAL RESPONSE BAND. 13 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.