PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S3074Valve,check

Tactair Fluid Controls Inc · NSN 4820-00-281-4709 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-281-4709 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-281-4709. Primary manufacturer part number: S3074.
Features
  • Valve,check — FSC 4820
  • 6 verified cross-references
  • Primary manufacturer: Tactair Fluid Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,check, cataloged under National Stock Number 4820-00-281-4709, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tactair Fluid Controls Inc. This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 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)
ManufacturersHawker Pacific Aerospace Landing Gear and Components Mfg and Repair (CAGE 99473); Lockheed Martin Corp (CAGE 98897); Kaiser Fluid Technologies Inc. (CAGE 99215); Tactair Fluid Controls Inc (CAGE 70236)
Technical Specifications
ParameterValue
NSN4820-00-281-4709
Primary Part NumberS3074
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTactair Fluid Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-062-0343 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
5325-00-640-99852R53P19 INTERCHANGEABLE
Grommet,nonmetallic
Lockheed Martin Corporation Div Rms
1660-00-730-3557307-4 INTERCHANGEABLE
Butterfly,valve
Industrial Design Laboratories Inc
5945-00-818-13742266019 INTERCHANGEABLE
Chopper,electronic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5310-01-081-88603-074 INTERCHANGEABLE
Washer,flat
Raytheon Company Dba Raytheon Co
5342-01-100-87223074 INTERCHANGEABLE
Insert
Emd Millipore Corp Dba Milliporesigma Div Emd Millipore Corporation
6515-01-152-77293074 INTERCHANGEABLE
Catheter,tracheal
C. R. Bard, Inc.
6515-01-153-54983074 INTERCHANGEABLE
Cath and Con Suct E
Becton Dickinson and Co Bard-Parker Div
5330-01-195-7867307-4 INTERCHANGEABLE
Gasket
Steward Machine Co Inc
4330-01-328-67061122-30 INTERCHANGEABLE
Stand,separator,oil
Separation & Recovery Systems Inc
Cross-Reference Index
Part NumberManufacturer
S3074 Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA)
749957-101 Lockheed Martin Corp (USA)
3074 Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair (USA)
3074 Kaiser Fluid Technologies Inc. (USA)
S3074 PRIMARY Tactair Fluid Controls Inc (USA)
S3074 Kaiser Fluid Technologies Inc. (USA)
Related Parts
2530-00-062-0343INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
5325-00-640-9985INTERCHANGEABLE
GROMMET,NONMETALLIC
2R53P19
1660-00-730-3557INTERCHANGEABLE
BUTTERFLY,VALVE
307-4
5945-00-818-1374INTERCHANGEABLE
CHOPPER,ELECTRONIC
2266019
5310-01-081-8860INTERCHANGEABLE
WASHER,FLAT
3-074
5342-01-100-8722INTERCHANGEABLE
INSERT
3074
6515-01-152-7729INTERCHANGEABLE
CATHETER,TRACHEAL
3074
6515-01-153-5498INTERCHANGEABLE
CATH AND CON SUCT E
3074
5330-01-195-7867INTERCHANGEABLE
GASKET
307-4
4330-01-328-6706INTERCHANGEABLE
STAND,SEPARATOR,OIL
1122-30

Frequently Asked Questions

What is NSN 4820-00-281-4709?

NSN 4820-00-281-4709 is a Valve,check, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-281-4709?

NSN 4820-00-281-4709 has 6 cross-referenced part numbers: S3074 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 749957-101 (Lockheed Martin Corp), 3074 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair), 3074 (Kaiser Fluid Technologies Inc.), S3074 (Tactair Fluid Controls Inc) and 1 more.

What NSN replaces 4820-00-281-4709?

There are 10 known substitutes for 4820-00-281-4709: 2530-00-062-0343, 5325-00-640-9985, 1660-00-730-3557 and 7 more. Verify interchangeability with system specifications before substitution.

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