The Clamp,bridge, cataloged under National Stock Number 5340-00-025-5366, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-025-5366 |
| Primary Part Number | MSZ426 |
| Item Name | Clamp,bridge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| Status | ACTIVE |
| Countersink Diameter | 1.812 INCHES NOMINAL IN |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Hole Depth | 1.250 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Counterbore Diameter | 2.062 INCHES NOMINAL IN |
| Height | 0.750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.938 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 |
|---|---|
| D421-292D | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| NY420-968-1PC10 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| MSZ426 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| MX253530-120 | Babcock & Wilcox Co (USA) |
| NY420-487-3PC506 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| 5000S5101F841217TYPE4 | 5/2 Secondary reference U.S. Government activity |
| 43961-2-120 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-025-5366 is a Clamp,bridge, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-025-5366 has 5 manufacturer part numbers on file: D421-292D (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric), NY420-968-1PC10 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler), MSZ426 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler), MX253530-120 (Babcock & Wilcox Co), NY420-487-3PC506 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
Key specifications for MSZ426: Countersink Diameter: 1.812 INCHES NOMINAL IN; Overall Diameter: 2.500 INCHES NOMINAL IN; Hole Depth: 1.250 INCHES NOMINAL IN; Style Designator: FLAT. 8 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.