PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33356Valve,check

Mid-America Aerotech, Llc · NSN 4820-00-166-3760 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-166-3760 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-166-3760. Primary manufacturer part number: 33356.
Features
  • Valve,check — FSC 4820
  • Valve Operation Method: AUTOMATIC
  • Style Designator: STRAIGHT THRU
  • Flow Control Device: POPPET
  • 3 verified cross-references
  • Primary manufacturer: Mid-America Aerotech, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-166-3760, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mid-America Aerotech, Llc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-166-3760
Primary Part Number33356
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMid-America Aerotech, Llc
StatusACTIVE
Valve Operation MethodAUTOMATIC
Style DesignatorSTRAIGHT THRU
Flow Control DevicePOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-107-7554207SZ INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5330-00-291-66589B1545 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
5950-00-849-9394T026601 INTERCHANGEABLE
Coil,electrical
Magnetek Inc Lighting Products Group
5330-00-931-868633356 INTERCHANGEABLE
Packing,preformed
The Walworth Company
5950-01-398-1670 INTERCHANGEABLE
Transformer,power
7025-01-548-709033356 INTERCHANGEABLE
Disk Drive Unit
Iomega Corporation
Cross-Reference Index
Part NumberManufacturer
33356 Moog Inc (USA)
33356 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
33356 PRIMARY Mid-America Aerotech, Llc (USA)
Related Parts
3110-00-107-7554INTERCHANGEABLE
BEARING,BALL,ANNULAR
207SZ
5330-00-291-6658INTERCHANGEABLE
GASKET
9B1545
5950-00-849-9394INTERCHANGEABLE
COIL,ELECTRICAL
T026601
5330-00-931-8686INTERCHANGEABLE
PACKING,PREFORMED
33356
5950-01-398-1670INTERCHANGEABLE
TRANSFORMER,POWER
7025-01-548-7090INTERCHANGEABLE
DISK DRIVE UNIT
33356

Frequently Asked Questions

What is NSN 4820-00-166-3760?

NSN 4820-00-166-3760 is a Valve,check, manufactured by Mid-America Aerotech, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-166-3760?

NSN 4820-00-166-3760 has 3 cross-referenced part numbers: 33356 (Moog Inc), 33356 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 33356 (Mid-America Aerotech, Llc).

What NSN replaces 4820-00-166-3760?

There are 6 known substitutes for 4820-00-166-3760: 3110-00-107-7554, 5330-00-291-6658, 5950-00-849-9394 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 33356?

Key specifications for 33356: Valve Operation Method: AUTOMATIC; Style Designator: STRAIGHT THRU; Flow Control Device: POPPET. 3 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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