PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280750APiston,valve

Mc Farland Pump Co Llc · NSN 4820-01-300-5277 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-300-5277 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-300-5277. Primary manufacturer part number: 280750A.
Features
  • Piston,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 3 verified cross-references
  • Primary manufacturer: Mc Farland Pump Co Llc
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 4820-01-300-5277, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mc Farland Pump Co Llc. 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
NSN4820-01-300-5277
Primary Part Number280750A
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMc Farland Pump Co Llc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-059-7573200-49 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
5905-00-114-48895-8CA48F161J INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5325-00-285-3345 INTERCHANGEABLE
Grommet,nonmetallic
5325-01-062-69051992491-25 INTERCHANGEABLE
Grommet,nonmetallic
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5996-01-111-62792875 INTERCHANGEABLE
Amplifier,electronic Control
Midway Aircraft Instrument Corportion
4410-01-145-5293 INTERCHANGEABLE
Arm,over-Ride
5140-01-388-7645Z2875 INTERCHANGEABLE
Pouch,bow Storage
Zodiac of North America, Inc. Dba Zodiac of North America Inc Div Milpro
6515-01-461-8548280.75 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
280750A PRIMARY Mc Farland Pump Co Llc (USA)
280750 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
28-75 Mc Farland Pump Co Llc (USA)
Related Parts
5999-00-059-7573INTERCHANGEABLE
DELAY LINE
200-49
5905-00-114-4889INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5-8CA48F161J
5325-00-285-3345INTERCHANGEABLE
GROMMET,NONMETALLIC
5325-01-062-6905INTERCHANGEABLE
GROMMET,NONMETALLIC
1992491-25
5996-01-111-6279INTERCHANGEABLE
AMPLIFIER,ELECTRONIC CONTROL
2875
4410-01-145-5293INTERCHANGEABLE
ARM,OVER-RIDE
5140-01-388-7645INTERCHANGEABLE
POUCH,BOW STORAGE
Z2875
6515-01-461-8548INTERCHANGEABLE
SCREW,BONE
280.75

Frequently Asked Questions

What is NSN 4820-01-300-5277?

NSN 4820-01-300-5277 is a Piston,valve, manufactured by Mc Farland Pump Co Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-300-5277?

NSN 4820-01-300-5277 has 3 cross-referenced part numbers: 280750A (Mc Farland Pump Co Llc), 280750 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 28-75 (Mc Farland Pump Co Llc).

What NSN replaces 4820-01-300-5277?

There are 8 known substitutes for 4820-01-300-5277: 5999-00-059-7573, 5905-00-114-4889, 5325-00-285-3345 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 280750A?

Key specifications for 280750A: Material: STEEL CORROSION RESISTING. 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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