PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8846Piston,valve

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4820-00-299-1038 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-299-1038 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-299-1038. Primary manufacturer part number: 8846.
Features
  • Piston,valve — FSC 4820
  • 4 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 Piston,valve, cataloged under National Stock Number 4820-00-299-1038, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-299-1038
Primary Part Number8846
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2910-00-009-5225 INTERCHANGEABLE
Nozzle,fuel Injection
5330-00-178-46270S507 INTERCHANGEABLE
Seal,plain Encased
Hoist Liftruck Mfg Inc
5950-00-296-131954161-1 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
5905-00-576-6397 INTERCHANGEABLE
Resistor,fixed,film
5950-00-646-0621 INTERCHANGEABLE
Transformer,power
6240-00-929-5848CM8846 INTERCHANGEABLE
Lamp,incandescent
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6760-01-224-8990 INTERCHANGEABLE
Shade,photographic Lens
4730-01-341-5234 INTERCHANGEABLE
Tailpiece,union
5895-01-342-93828846 INTERCHANGEABLE
Modem,communications
Gould Instrument Systems Inc
4820-01-446-91228846 INTERCHANGEABLE
Cap,valve
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
Cross-Reference Index
Part NumberManufacturer
D15-739BPC453 Northrop Grumman Systems Corporation Div Marine Systems (USA)
8846 Westinghouse Electric Corp (USA)
8846 Westinghouse Electric Corp Sturtevant Div (USA)
8846 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
2910-00-009-5225INTERCHANGEABLE
NOZZLE,FUEL INJECTION
5330-00-178-4627INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S507
5950-00-296-1319INTERCHANGEABLE
REACTOR
54161-1
5905-00-576-6397INTERCHANGEABLE
RESISTOR,FIXED,FILM
5950-00-646-0621INTERCHANGEABLE
TRANSFORMER,POWER
6240-00-929-5848INTERCHANGEABLE
LAMP,INCANDESCENT
CM8846
6760-01-224-8990INTERCHANGEABLE
SHADE,PHOTOGRAPHIC LENS
4730-01-341-5234INTERCHANGEABLE
TAILPIECE,UNION
5895-01-342-9382INTERCHANGEABLE
MODEM,COMMUNICATIONS
8846
4820-01-446-9122INTERCHANGEABLE
CAP,VALVE
8846

Frequently Asked Questions

What is NSN 4820-00-299-1038?

NSN 4820-00-299-1038 is a Piston,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 4820-00-299-1038?

NSN 4820-00-299-1038 has 4 cross-referenced part numbers: D15-739BPC453 (Northrop Grumman Systems Corporation Div Marine Systems), 8846 (Westinghouse Electric Corp), 8846 (Westinghouse Electric Corp Sturtevant Div), 8846 (Northrop Grumman Systems Corporation Div Marine Systems).

What NSN replaces 4820-00-299-1038?

There are 10 known substitutes for 4820-00-299-1038: 2910-00-009-5225, 5330-00-178-4627, 5950-00-296-1319 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8846?

Key specifications for 8846: Special Features: STEEL;1.750 IN. DIA,2.250 IN. LG IN. 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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