PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37339Piston,valve

Moog Inc. Dba Ampac-Isp Corp · NSN 4810-01-420-2141 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-420-2141 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-420-2141. Primary manufacturer part number: 37339.
Features
  • Piston,valve — FSC 4810
  • Material: ALUMINUM ALLOY
  • Valve Model Number for Which Designed: 4000-37330
  • Valve Design Control Activity: 07270
  • Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
  • 3 verified cross-references
  • Primary manufacturer: Moog Inc. Dba Ampac-Isp Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy construction
General Description

The Piston,valve, cataloged under National Stock Number 4810-01-420-2141, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Inc. Dba Ampac-Isp Corp. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-420-2141
Primary Part Number37339
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMoog Inc. Dba Ampac-Isp Corp
StatusACTIVE
MaterialALUMINUM ALLOY
Valve Model Number for Which Designed4000-37330
Valve Design Control Activity07270
Valve Type for Which DesignedDIRECTIONAL CONTROL LINEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5342-00-564-903937339 INTERCHANGEABLE
Handle,chest
L3harris Technologies, Inc Div Space & Airborne Systems
5315-01-219-525437339 INTERCHANGEABLE
Pin
Eaton Aerospace, Llc Dba Jackson South
4810-01-420-10374000-37330 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Moog Inc. Dba Ampac-Isp Corp
3020-01-420-103937333 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
3020-01-420-118937332 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
4810-01-420-193537336 INTERCHANGEABLE
Sleeve,directional Control Linea
Moog Inc. Dba Ampac-Isp Corp
4810-01-420-1937CB27982-001 INTERCHANGEABLE
Sleeve,directional Control Linea
Moog Inc. Dba Ampac-Isp Corp
4820-01-420-213937338 INTERCHANGEABLE
Piston,valve
Moog Inc. Dba Ampac-Isp Corp
5310-01-503-79163823702 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Oshkosh Defense Llc
5310-01-620-562637339 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Fastenal Company Div Fastenal-Hyma
Cross-Reference Index
Part NumberManufacturer
37339 PRIMARY Moog Inc. Dba Ampac-Isp Corp (USA)
4000-37330 Moog Inc. Dba Ampac-Isp Corp (USA)
4000-37330 ITEM 9 Moog Inc. Dba Ampac-Isp Corp (USA)
Related Parts
5342-00-564-9039INTERCHANGEABLE
HANDLE,CHEST
37339
5315-01-219-5254INTERCHANGEABLE
PIN
37339
4810-01-420-1037INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
4000-37330
3020-01-420-1039INTERCHANGEABLE
GEAR RACK
37333
3020-01-420-1189INTERCHANGEABLE
GEAR,SPUR
37332
4810-01-420-1935INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
37336
4810-01-420-1937INTERCHANGEABLE
SLEEVE,DIRECTIONAL CONTROL LINEA
CB27982-001
4820-01-420-2139INTERCHANGEABLE
PISTON,VALVE
37338
5310-01-503-7916INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
3823702
5310-01-620-5626INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
37339
6015-01-659-8099INTERCHANGEABLE
CABLE,FIBER OPTIC
37339

Frequently Asked Questions

What is NSN 4810-01-420-2141?

NSN 4810-01-420-2141 is a Piston,valve, manufactured by Moog Inc. Dba Ampac-Isp Corp, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-420-2141?

NSN 4810-01-420-2141 has 3 cross-referenced part numbers: 37339 (Moog Inc. Dba Ampac-Isp Corp), 4000-37330 (Moog Inc. Dba Ampac-Isp Corp), 4000-37330 ITEM 9 (Moog Inc. Dba Ampac-Isp Corp).

What NSN replaces 4810-01-420-2141?

There are 11 known substitutes for 4810-01-420-2141: 5342-00-564-9039, 5315-01-219-5254, 4810-01-420-1037 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37339?

Key specifications for 37339: End Item Identification: LOS ANGELES CLASS SSN (688); Material: ALUMINUM ALLOY; Valve Model Number for Which Designed: 4000-37330; Valve Design Control Activity: 07270. 5 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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