The Clamp,block,section, cataloged under National Stock Number 5340-01-355-8248, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 17 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 | 5340-01-355-8248 |
| Primary Part Number | 12948170 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 55 |
| Center to Center Distance Between First and Fourth Clamping Holes | 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN |
| Distance From End to First Clamping Hole Center | 0.500 INCHES NOMINAL IN |
| Block Height | 0.590 INCHES MINIMUM AND 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM0.650 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | MIL-R-3065,-3BC70A14B24E034F17 MIL SPEC SINGLE MATERIAL RESPONSE OR AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.350 INCHES MINIMUM AND 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM0.410 INCHES MAXIMUM IN |
| Clamping Hole Diameter | 0.280 INCHES NOMINAL FIRST HOLE IN |
| Clamping Hole Diameter | 0.400 INCHES NOMINAL SECOND HOLE IN |
| Center to Center Distance Between First and Third Clamping Holes | 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 1.000 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Fifth Clamping Holes | 3.970 INCHES MINIMUM AND 4.030 INCHES MAXIMUM IN |
| Center to Center Distance Between First and Second Mounting Holes | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Center to Center Distance Between First and Second Clamping Holes | 0.970 INCHES MINIMUM AND 1.030 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 |
| Part Number | Manufacturer |
|---|---|
| 12948170 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 5340-01-355-8248 is a Clamp,block,section, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-355-8248 has 1 manufacturer part number on file: 12948170 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12948170: Mounting Hole Quantity: 22; Clamping Hole Quantity: 55; Center to Center Distance Between First and Fourth Clamping Holes: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN; Distance From End to First Clamping Hole Center: 0.500 INCHES NOMINAL IN. 17 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.