PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10257Valve Assembly,pres

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 4820-00-497-2910 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-497-2910 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-497-2910. Primary manufacturer part number: 10257.
Features
  • Valve Assembly,pres — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Aerocontrolex Group, Inc. Div Talley Actuators
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly,pres, cataloged under National Stock Number 4820-00-497-2910, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve Assembly,pres
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersRoyal Malaysian Navy (CAGE Y9992); Aerocontrolex Group, Inc. Div Talley Actuators (CAGE 98889)
Technical Specifications
ParameterValue
NSN4820-00-497-2910
Primary Part Number10257
Item NameValve Assembly,pres
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5945-00-035-785910-257 INTERCHANGEABLE
Relay,electromagnetic
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4320-00-065-0181382307 INTERCHANGEABLE
Seal Cage,split
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4730-00-246-9219108687 INTERCHANGEABLE
Elbow,pipe
Allison Transmission Inc Dba Allison Transmission, Inc
5950-00-308-7930 INTERCHANGEABLE
Coil,radio Frequency
1680-00-371-001810257 INTERCHANGEABLE
Housing,pump
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
6620-00-408-545910-2-57 INTERCHANGEABLE
Gage,oil Pressure
Lister Petter Ltd
1680-00-691-399210257 INTERCHANGEABLE
Detent
Avox Systems Inc Dba Avox Systems Inc
5950-00-859-09171025-7 INTERCHANGEABLE
Electromagnet
Woodward Hrt, Inc. Dba Woodward Hrt Inc
6130-01-021-8877 INTERCHANGEABLE
Power Supply
3020-01-193-219210257 INTERCHANGEABLE
Gearcase Reducing
Renold Hydraulics and Variators Ltd
Cross-Reference Index
Part NumberManufacturer
10257 Royal Malaysian Navy (MYS)
10257 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
5945-00-035-7859INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10-257
4320-00-065-0181INTERCHANGEABLE
SEAL CAGE,SPLIT
382307
4730-00-246-9219INTERCHANGEABLE
ELBOW,PIPE
108687
5950-00-308-7930INTERCHANGEABLE
COIL,RADIO FREQUENCY
1680-00-371-0018INTERCHANGEABLE
HOUSING,PUMP
10257
6620-00-408-5459INTERCHANGEABLE
GAGE,OIL PRESSURE
10-2-57
1680-00-691-3992INTERCHANGEABLE
DETENT
10257
5950-00-859-0917INTERCHANGEABLE
ELECTROMAGNET
1025-7
6130-01-021-8877INTERCHANGEABLE
POWER SUPPLY
3020-01-193-2192INTERCHANGEABLE
GEARCASE REDUCING
10257
5915-01-291-2820INTERCHANGEABLE
FILTER,LOW PASS
34-2726643-1
6550-01-354-7565INTERCHANGEABLE
CONTROL,GLUCOSE
10-257

Frequently Asked Questions

What is NSN 4820-00-497-2910?

NSN 4820-00-497-2910 is a Valve Assembly,pres, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-497-2910?

NSN 4820-00-497-2910 has 2 cross-referenced part numbers: 10257 (Royal Malaysian Navy), 10257 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 4820-00-497-2910?

There are 12 known substitutes for 4820-00-497-2910: 5945-00-035-7859, 4320-00-065-0181, 4730-00-246-9219 and 9 more. Verify interchangeability with system specifications before substitution.

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