PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7735501Piston,valve

Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division · NSN 4810-01-596-1289 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-596-1289 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-596-1289. Primary manufacturer part number: 7735501.
Features
  • Piston,valve — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Piston,valve, cataloged under National Stock Number 4810-01-596-1289, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePiston,valve
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (CAGE 90800)
Technical Specifications
ParameterValue
NSN4810-01-596-1289
Primary Part Number7735501
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
1560-00-602-1796773550-1 INTERCHANGEABLE
Indicator,latch,pylon
Lockheed Martin Corp
2530-00-773-5501 INTERCHANGEABLE
Clamp,wheel Rim
Cross-Reference Index
Part NumberManufacturer
10019866 REV 2 NOTE 9 Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
7735501 PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
Related Parts
1560-00-602-1796INTERCHANGEABLE
INDICATOR,LATCH,PYLON
773550-1
2530-00-773-5501INTERCHANGEABLE
CLAMP,WHEEL RIM

Frequently Asked Questions

What is NSN 4810-01-596-1289?

NSN 4810-01-596-1289 is a Piston,valve, manufactured by Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-596-1289?

NSN 4810-01-596-1289 has 2 cross-referenced part numbers: 10019866 REV 2 NOTE 9 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 7735501 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division).

What NSN replaces 4810-01-596-1289?

There are 2 known substitutes for 4810-01-596-1289: 1560-00-602-1796, 2530-00-773-5501. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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