The Clamp,block,section, cataloged under National Stock Number 5340-01-193-2743, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-193-2743 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 33 |
| Distance From End to First Clamping Hole Center | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Block Height | 0.700 INCHES NOMINAL0.700 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.195 INCHES MINIMUM AND 0.195 INCHES MINIMUM AND 0.202 INCHES MAXIMUM0.202 INCHES MAXIMUM IN |
| Clamping Hole Diameter | 0.250 INCHES MINIMUM AND 0.254 INCHES MAXIMUM FIRST HOLE IN |
| Clamping Hole Diameter | 0.500 INCHES MINIMUM AND 0.504 INCHES MAXIMUM SECOND HOLE IN |
| Clamping Hole Diameter | 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM THIRD HOLE IN |
| Center to Center Distance Between First and Third Clamping Holes | 2.880 INCHES NOMINAL IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.890 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 3.148 INCHES MINIMUM AND 3.148 INCHES MINIMUM AND 3.152 INCHES MAXIMUM3.152 INCHES MAXIMUM IN |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 1.238 INCHES MINIMUM AND 1.242 INCHES MAXIMUM 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 |
| Reference | Meaning |
|---|---|
| 75A500803-2003 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| 75A500803-2003 | C/1 Advisory reference — outside the item-of-supply concept Plastifab, Inc. Dba Plastifab Leed Plastics Div Plasifab Inc. |
| 75A500803-2003 | 3/9 Design control — primary reference Plastifab Incorporated |
NSN 5340-01-193-2743 is a Clamp,block,section, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-01-193-2743: Mounting Hole Quantity: 22; Clamping Hole Quantity: 33; Distance From End to First Clamping Hole Center: 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN; Block Height: 0.700 INCHES NOMINAL0.700 INCHES NOMINAL IN. 15 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.