PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-420-05Valve,vent-Check

Tate Andale, Llc · NSN 4820-01-606-7677 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-606-7677 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-606-7677. Primary manufacturer part number: 3-420-05.
Features
  • Valve,vent-Check — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Tate Andale, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,vent-Check, cataloged under National Stock Number 4820-01-606-7677, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tate Andale, Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-606-7677
Primary Part Number3-420-05
Item NameValve,vent-Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTate Andale, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5920-00-070-85171431594 INTERCHANGEABLE
Fuseholder,extractor Post
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5920-00-556-0144 INTERCHANGEABLE
Fuseholder,extractor Post
5340-01-175-0512342-005 INTERCHANGEABLE
Bumper
Doers Associates Llc
Cross-Reference Index
Part NumberManufacturer
3-420-05 PRIMARY Tate Andale, Llc (USA)
3-420-M1-02 Tate Andale, Llc (USA)
Related Parts
5920-00-070-8517INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
1431594
5920-00-556-0144INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5340-01-175-0512INTERCHANGEABLE
BUMPER
342-005

Frequently Asked Questions

What is NSN 4820-01-606-7677?

NSN 4820-01-606-7677 is a Valve,vent-Check, manufactured by Tate Andale, Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-606-7677?

NSN 4820-01-606-7677 has 2 cross-referenced part numbers: 3-420-05 (Tate Andale, Llc), 3-420-M1-02 (Tate Andale, Llc).

What NSN replaces 4820-01-606-7677?

There are 3 known substitutes for 4820-01-606-7677: 5920-00-070-8517, 5920-00-556-0144, 5340-01-175-0512. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-420-05?

Key specifications for 3-420-05: Part Name Assigned by Controlling Agency: VENT CHECK VALVE; End Item Identification: VENT VALVE. 2 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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