The Clamp,loop, cataloged under National Stock Number 5340-00-563-9941, 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 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-563-9941 |
| Primary Part Number | S1635-20181-2 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Material Document and Classification | QQ-A-362TEMPERT3 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.205 INCHES NOMINAL IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Holes | 2.375 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.484 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| 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 |
|---|---|
| S1635-20181-2 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 5340H34-005 | 5/2 Secondary reference U.S. Government activity |
| ER9941 | 5/9 Secondary reference E and R Laboratory Service Corp |
NSN 5340-00-563-9941 is a Clamp,loop, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-563-9941 has 1 manufacturer part number on file: S1635-20181-2 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S1635-20181-2: Material Document and Classification: QQ-A-362TEMPERT3 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.205 INCHES NOMINAL IN; Overall Length: 2.750 INCHES NOMINAL IN; Overall Width: 0.375 INCHES NOMINAL IN. 9 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.