PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14-1000-1Valve,check

Aerocontrolex Group, Inc. Dba Aero Fluid Products · NSN 4820-01-134-1258 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-134-1258 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-134-1258. Primary manufacturer part number: 14-1000-1.
Features
  • Valve,check — FSC 4820
  • 5 verified cross-references
  • Primary manufacturer: Aerocontrolex Group, Inc. Dba Aero Fluid Products
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-01-134-1258, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aerocontrolex Group, Inc. Dba Aero Fluid Products. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,check
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersAerocontrolex Group, Inc. Dba Aero Fluid Products (CAGE 96736); The Boeing Company Div Defense (CAGE 76301); Rogerson Aircraft Equipment Group (CAGE 04192); Nimikkeistokeskus Ncb Finland (CAGE A486G)
Technical Specifications
ParameterValue
NSN4820-01-134-1258
Primary Part Number14-1000-1
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Dba Aero Fluid Products
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-116-8196413001 INTERCHANGEABLE
Inserter,electrical Contact
Mac Panel Co
5920-00-296-053128062-1 INTERCHANGEABLE
Fuse,cartridge
Naval Sea Systems Command
5961-01-054-6765 INTERCHANGEABLE
Semiconductor Device,diode
6505-01-233-44094130-01 INTERCHANGEABLE
Ethionamide Tablets
Pfizer Inc. Dba Wyeth Div Wyeth
2590-01-320-0117251015 INTERCHANGEABLE
Cover,winch
Ramsey Winch Co
Cross-Reference Index
Part NumberManufacturer
14-1000-1 PRIMARY Aerocontrolex Group, Inc. Dba Aero Fluid Products (USA)
74B830063 The Boeing Company Div Defense (USA)
41300-1 PRIMARY Rogerson Aircraft Equipment Group (USA)
10124620 Nimikkeistokeskus Ncb Finland (FIN)
74B830063-101 The Boeing Company Div Defense (USA)
Related Parts
5120-00-116-8196INTERCHANGEABLE
INSERTER,ELECTRICAL CONTACT
413001
5920-00-296-0531INTERCHANGEABLE
FUSE,CARTRIDGE
28062-1
5961-01-054-6765INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6505-01-233-4409INTERCHANGEABLE
ETHIONAMIDE TABLETS
4130-01
2590-01-320-0117INTERCHANGEABLE
COVER,WINCH
251015

Frequently Asked Questions

What is NSN 4820-01-134-1258?

NSN 4820-01-134-1258 is a Valve,check, manufactured by Aerocontrolex Group, Inc. Dba Aero Fluid Products, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-134-1258?

NSN 4820-01-134-1258 has 5 cross-referenced part numbers: 14-1000-1 (Aerocontrolex Group, Inc. Dba Aero Fluid Products), 74B830063 (The Boeing Company Div Defense), 41300-1 (Rogerson Aircraft Equipment Group), 10124620 (Nimikkeistokeskus Ncb Finland), 74B830063-101 (The Boeing Company Div Defense).

What NSN replaces 4820-01-134-1258?

There are 5 known substitutes for 4820-01-134-1258: 5120-00-116-8196, 5920-00-296-0531, 5961-01-054-6765 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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