The Cylinder Block Unit,hydraulic Mo, cataloged under National Stock Number 4320-01-426-2355, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Clyde Union Inc Dba Clydeunion Pumps. Government technical data includes 2 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-426-2355 |
| Primary Part Number | 100406 |
| Item Name | Cylinder Block Unit,hydraulic Mo |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Clyde Union Inc Dba Clydeunion Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | ITEM IS THE COMPLETE FLUID END OF THE TX-10 TRIPLEX MOTOR PUMP |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 100406 PRIMARY | Clyde Union Inc Dba Clydeunion Pumps (USA) |
NSN 4320-01-426-2355 is a Cylinder Block Unit,hydraulic Mo, manufactured by Clyde Union Inc Dba Clydeunion Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-426-2355 has 1 manufacturer part number on file: 100406 (Clyde Union Inc Dba Clydeunion Pumps).
1 possible match (shared part number, not a government interchangeability claim): 4930-01-563-9693. Verify interchangeability with system specifications before substitution.
Key specifications for 100406: General Characteristics Item Description: ITEM IS THE COMPLETE FLUID END OF THE TX-10 TRIPLEX MOTOR PUMP; Special Features: INCLUDES THE CYLINDER BLOCK, THE THREE SUCTION AND THREE DISCHARGE VALVE ASSEMBL8IES, THE THREE STUFFING BOXES (WITHOUT THE BOX INTERNALS), AND THE THREE PLUNGER ASSEMBLIES; Part Name Assigned by Controlling Agency: FLUID END; End Item Identification: NAVY WEAPONS SYSTEM TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.