The Clamp,block,section, cataloged under National Stock Number 5340-01-245-7354, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 11 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 | 5340-01-245-7354 |
| Primary Part Number | GC12E22-14P66 |
| Item Name | Clamp,block,section |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 44 |
| Clamping Hole Quantity | 1 |
| Surface Treatment Document and Classification | GSS 4430,CAGEC 26512 MFR REF SINGLE TREATMENT RESPONSE |
| Block Height | 0.578 INCHES NOMINAL0.578 INCHES NOMINAL IN |
| Material Document and Classification | MIL-T-6736,COND N MIL SPEC SINGLE MATERIAL RESPONSE |
| Mounting Hole Diameter | 0.259 INCHES NOMINAL0.259 INCHES NOMINAL IN |
| Clamping Hole Diameter | 2.750 INCHES NOMINAL ALL HOLES IN |
| Cable Diameter for Which Designed | 2.750 INCHES NOMINAL ALL HOLES IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Surface Treatment | LACQUER |
| Material | STEEL COMP 4130 |
| 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 |
|---|---|
| GC12E22-14P66 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5340-01-245-7354 is a Clamp,block,section, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-245-7354 has 1 manufacturer part number on file: GC12E22-14P66 (Northrop Grumman Systems Corporation).
Key specifications for GC12E22-14P66: Mounting Hole Quantity: 44; Clamping Hole Quantity: 1; Surface Treatment Document and Classification: GSS 4430,CAGEC 26512 MFR REF SINGLE TREATMENT RESPONSE; Block Height: 0.578 INCHES NOMINAL0.578 INCHES NOMINAL IN. 11 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.