The Clamp,block, cataloged under National Stock Number 5340-01-249-7952, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-249-7952 |
| Primary Part Number | 123ELP10053-5 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Clamping Hole Quantity | 22 |
| Distance From End to First Clamping Hole Center | 0.688 INCHES NOMINAL IN |
| Block Height | 0.562 INCHES MINIMUM AND 0.562 INCHES MINIMUM AND 0.688 INCHES MAXIMUM0.688 INCHES MAXIMUM IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | MIL-P-15035,TY FBM MIL SPEC SINGLE MATERIAL RESPONSE |
| Clamping Hole Diameter | 0.375 INCHES NOMINAL FIRST HOLE IN |
| Clamping Hole Diameter | 0.625 INCHES NOMINAL SECOND HOLE IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.188 INCHES NOMINAL0.188 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 | 1.750 INCHES NOMINAL1.750 INCHES NOMINAL IN |
| Material | PLASTIC |
| Center to Center Distance Between First and Second Clamping Holes | 0.750 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 |
|---|---|
| 123ELP10053-5 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| 123ELP10053-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 123ELP10053-5 | Design/ol, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 123ELP10053-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5340-01-249-7952 is a Clamp,block, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-249-7952 has 3 manufacturer part numbers on file: 123ELP10053-5 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc), 123ELP10053-5 (Northrop Grumman Systems Corporation), 123ELP10053-5 (Design/ol, Inc.).
Key specifications for 123ELP10053-5: Overall Height: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; Clamping Hole Quantity: 22; Distance From End to First Clamping Hole Center: 0.688 INCHES NOMINAL IN; Block Height: 0.562 INCHES MINIMUM AND 0.562 INCHES MINIMUM AND 0.688 INCHES MAXIMUM0.688 INCHES MAXIMUM 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.