PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13870-00Valve,check

Avox Systems Inc Dba Avox Systems Inc · NSN 4820-01-255-2286 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-255-2286 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-255-2286. Primary manufacturer part number: 13870-00.
Features
  • Valve,check — FSC 4820
  • Supplementary Features: APPLICABLE ON BREATHING APPARATUS
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-255-2286, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-255-2286
Primary Part Number13870-00
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Supplementary FeaturesAPPLICABLE ON BREATHING APPARATUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4240-01-105-162413870-00 INTERCHANGEABLE
Valve,exhalation
Scott Technologies, Inc.
6550-01-664-23641387000 INTERCHANGEABLE
Test Kit,thyroxine Determination
Ortho-Clinical Diagnostics Inc Dba Ortho-Clinical Diagnostics Inc
Cross-Reference Index
Part NumberManufacturer
14153M Acushnet Rubber Company, Inc. Dba Precix (USA)
13870-00 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
4240-01-105-1624INTERCHANGEABLE
VALVE,EXHALATION
13870-00
6550-01-664-2364INTERCHANGEABLE
TEST KIT,THYROXINE DETERMINATION
1387000

Frequently Asked Questions

What is NSN 4820-01-255-2286?

NSN 4820-01-255-2286 is a Valve,check, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-255-2286?

NSN 4820-01-255-2286 has 2 cross-referenced part numbers: 14153M (Acushnet Rubber Company, Inc. Dba Precix), 13870-00 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 4820-01-255-2286?

There are 2 known substitutes for 4820-01-255-2286: 4240-01-105-1624, 6550-01-664-2364. Verify interchangeability with system specifications before substitution.

What are the specifications of 13870-00?

Key specifications for 13870-00: Supplementary Features: APPLICABLE ON BREATHING APPARATUS. 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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