The Clamp,block,section, cataloged under National Stock Number 5340-01-361-7978, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is General Electric Co. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-361-7978 |
| Primary Part Number | 3C4010P23 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | General Electric Co |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 11 |
| Distance From End to First Clamping Hole Center | 1.000 INCHES NOMINAL IN |
| Block Height | 0.580 INCHES NOMINAL0.580 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN |
| Clamping Hole Diameter | 1.250 INCHES NOMINAL SINGLE HOLE IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.300 INCHES MINIMUM AND 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM0.320 INCHES MAXIMUM IN |
| Distance From End to First Mounting Hole Center | 0.188 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Center to Center Distance Between First and Second Mounting Holes | 2.062 INCHES NOMINAL2.062 INCHES NOMINAL IN |
| Material | STEEL COMP 4130 AND STEEL COMP 4140 |
| 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 |
|---|---|
| 3C4010P23 PRIMARY | General Electric Co (USA) |
| Reference | Meaning |
|---|---|
| 3C4010P23 | 5/9 Secondary reference General Electric Company |
NSN 5340-01-361-7978 is a Clamp,block,section, manufactured by General Electric Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-361-7978 has 1 manufacturer part number on file: 3C4010P23 (General Electric Co).
Key specifications for 3C4010P23: Mounting Hole Quantity: 22; Clamping Hole Quantity: 11; Distance From End to First Clamping Hole Center: 1.000 INCHES NOMINAL IN; Block Height: 0.580 INCHES NOMINAL0.580 INCHES NOMINAL IN. 13 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.