PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1869Piston,valve

Lawler Manufacturing Company, Inc. · NSN 4820-00-071-7933 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-071-7933 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-071-7933. Primary manufacturer part number: 1869.
Features
  • Piston,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Lawler Manufacturing Company, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-00-071-7933, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lawler Manufacturing Company, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-071-7933
Primary Part Number1869
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLawler Manufacturing Company, Inc.
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6685-00-001-7964 INTERCHANGEABLE
Control,amplifier Relay
5330-00-352-78437H6995 INTERCHANGEABLE
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Caterpillar Inc Div Caterpillar Defense
2990-00-776-5027 INTERCHANGEABLE
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5998-00-848-7878 INTERCHANGEABLE
Circuit Card Assembly
6240-00-880-86992140-0053 INTERCHANGEABLE
Lamp,incandescent
Keysight Technologies Inc
5910-00-978-964727D8MFD350V INTERCHANGEABLE
Capacitor,fixed,electrolytic
Sprague Electric Co World Hqs
3455-01-044-4147 INTERCHANGEABLE
Cutter,milling,end
5315-01-265-87711869 INTERCHANGEABLE
Key,machine
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
1360DPC20 Lawler Manufacturing Company, Inc. (USA)
1869 PRIMARY Lawler Manufacturing Company, Inc. (USA)
1869 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
6685-00-001-7964INTERCHANGEABLE
CONTROL,AMPLIFIER RELAY
5330-00-352-7843INTERCHANGEABLE
GASKET
7H6995
2990-00-776-5027INTERCHANGEABLE
MUFFLER,EXHAUST
5998-00-848-7878INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6240-00-880-8699INTERCHANGEABLE
LAMP,INCANDESCENT
2140-0053
5910-00-978-9647INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
27D8MFD350V
3455-01-044-4147INTERCHANGEABLE
CUTTER,MILLING,END
5315-01-265-8771INTERCHANGEABLE
KEY,MACHINE
1869

Frequently Asked Questions

What is NSN 4820-00-071-7933?

NSN 4820-00-071-7933 is a Piston,valve, manufactured by Lawler Manufacturing Company, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-071-7933?

NSN 4820-00-071-7933 has 3 cross-referenced part numbers: 1360DPC20 (Lawler Manufacturing Company, Inc.), 1869 (Lawler Manufacturing Company, Inc.), 1869 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-00-071-7933?

There are 8 known substitutes for 4820-00-071-7933: 6685-00-001-7964, 5330-00-352-7843, 2990-00-776-5027 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1869?

Key specifications for 1869: Overall Length: 4.065 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING. 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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