PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10135Seat,valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4820-00-148-1845 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-148-1845 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-148-1845. Primary manufacturer part number: 10135.
Features
  • Seat,valve — FSC 4820
  • 14 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-148-1845, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-148-1845
Primary Part Number10135
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-199-83013XF20H4F1-152UEE INTERCHANGEABLE
Switch Assembly
Itt Schadow Inc
5962-00-369-7607 INTERCHANGEABLE
Microcircuit,digital
7050-00-451-5912 INTERCHANGEABLE
Spacer
6150-00-553-0784CX2149U INTERCHANGEABLE
Cable Assembly,special Purpose,e
Joint Electronics Type Designation System
5355-00-648-763832A43 INTERCHANGEABLE
Knob
Philips North America Llc Dba Philips Healthcare
5945-00-901-638510135 INTERCHANGEABLE
Solenoid,electrical
Astronautics Corporation of America
2920-01-032-575210-135 INTERCHANGEABLE
Generator,engine Accessory
Motorola Automotive Electronics
6685-01-083-1713164430 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
9150-01-128-588710135 INTERCHANGEABLE
Lubricating Oil,utility
Wd-40 Company
5975-01-363-646210135 INTERCHANGEABLE
Mounting Base,electrical Equipme
Hollingsead International, Llc
Cross-Reference Index
Part NumberManufacturer
D15-680TPC391 Westinghouse Electric Corp (USA)
D15-680LPC391 Westinghouse Electric Corp Sturtevant Div (USA)
10135 Westinghouse Electric Corp (USA)
D15-680UPC391 Westinghouse Electric Corp (USA)
10135 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680XPC391 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680UPC391 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680TPC391 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680LPC391 Westinghouse Electric Corp (USA)
D15-68OBPC391 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680XPC391 Westinghouse Electric Corp (USA)
D15-680BPC391 Westinghouse Electric Corp (USA)
D15-680LPC391 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
10135 Westinghouse Electric Corp Sturtevant Div (USA)
Related Parts
5930-00-199-8301INTERCHANGEABLE
SWITCH ASSEMBLY
3XF20H4F1-152UEE
5962-00-369-7607INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
7050-00-451-5912INTERCHANGEABLE
SPACER
6150-00-553-0784INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
CX2149U
5355-00-648-7638INTERCHANGEABLE
KNOB
32A43
5945-00-901-6385INTERCHANGEABLE
SOLENOID,ELECTRICAL
10135
2920-01-032-5752INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
10-135
6685-01-083-1713INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
164430
9150-01-128-5887INTERCHANGEABLE
LUBRICATING OIL,UTILITY
10135
5975-01-363-6462INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
10135
6680-01-383-6970INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
5995-01-538-6701INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
10135-1

Frequently Asked Questions

What is NSN 4820-00-148-1845?

NSN 4820-00-148-1845 is a Seat,valve, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-148-1845?

NSN 4820-00-148-1845 has 14 cross-referenced part numbers: D15-680TPC391 (Westinghouse Electric Corp), D15-680LPC391 (Westinghouse Electric Corp Sturtevant Div), 10135 (Westinghouse Electric Corp), D15-680UPC391 (Westinghouse Electric Corp), 10135 (Northrop Grumman Systems Corporation Div Marine Systems) and 9 more.

What NSN replaces 4820-00-148-1845?

There are 12 known substitutes for 4820-00-148-1845: 5930-00-199-8301, 5962-00-369-7607, 7050-00-451-5912 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10135?

Key specifications for 10135: End Item Identification: STEAM TURBINE,SHIPS PROPULSION SYSTEM. 1 total characteristics are documented in the Federal Logistics Information System.

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