The Clamp,block,section, cataloged under National Stock Number 5340-01-042-5666, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hagans Plastics Co Inc. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-042-5666 |
| Primary Part Number | A51L11061-13 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hagans Plastics Co Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 33 |
| Distance From End to First Clamping Hole Center | 0.562 INCHES NOMINAL IN |
| Block Height | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Mounting Hole Diameter | 0.190 INCHES MINIMUM AND 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM0.196 INCHES MAXIMUM IN |
| Clamping Hole Diameter | 0.190 INCHES NOMINAL SECOND HOLE IN |
| Clamping Hole Diameter | 0.252 INCHES NOMINAL FIRST HOLE IN |
| Clamping Hole Diameter | 0.252 INCHES NOMINAL THIRD HOLE IN |
| Center to Center Distance Between First and Third Clamping Holes | 1.000 INCHES NOMINAL IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.192 INCHES NOMINAL0.192 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.250 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 1.625 INCHES NOMINAL1.625 INCHES NOMINAL IN |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 0.500 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 |
|---|---|
| A51L11061-13 | Northrop Grumman Systems Corporation (USA) |
| A51L11061-13 PRIMARY | Hagans Plastics Co Inc (USA) |
| Reference | Meaning |
|---|---|
| A51L11061-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51L11061-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-042-5666 is a Clamp,block,section, manufactured by Hagans Plastics Co Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-042-5666 has 2 manufacturer part numbers on file: A51L11061-13 (Northrop Grumman Systems Corporation), A51L11061-13 (Hagans Plastics Co Inc).
Key specifications for A51L11061-13: Mounting Hole Quantity: 22; Clamping Hole Quantity: 33; Distance From End to First Clamping Hole Center: 0.562 INCHES NOMINAL IN; Block Height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN. 16 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.