The Clamp,block, cataloged under National Stock Number 5340-01-282-8642, 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 8 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-282-8642 |
| Primary Part Number | 65664-03100-130 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Style Designator | RECTANGULAR |
| Material Document and Classification | MQL-R-6855 CLASS 2 GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE |
| Center to Center Distance Between First and Third Mounting Holes | 1.300 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.810 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 0.650 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 65664-03100-130 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 5340-01-282-8642 is a Clamp,block, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-282-8642 has 1 manufacturer part number on file: 65664-03100-130 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 65664-03100-130: Mounting Hole Quantity: 4; Style Designator: RECTANGULAR; Material Document and Classification: MQL-R-6855 CLASS 2 GRADE 60 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 3.57 INCHES NOMINAL IN. 8 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.