PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

259-01Plunger,valve

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-215-2271 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-215-2271 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-215-2271. Primary manufacturer part number: 259-01.
Features
  • Plunger,valve — FSC 4820
  • General Characteristics Item Description: MONEL;2.000 IN. DOUBLE SEAL IN
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plunger,valve, cataloged under National Stock Number 4820-01-215-2271, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-215-2271
Primary Part Number259-01
Item NamePlunger,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
General Characteristics Item DescriptionMONEL;2.000 IN. DOUBLE SEAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-068-7943577R593H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6220-00-115-5038259-001-GRN INTERCHANGEABLE
Lens,light
Perko Inc
5330-00-433-1475 INTERCHANGEABLE
Gasket
5340-00-690-88912591 INTERCHANGEABLE
Button,plug
Heyco Inc Dba Heyco Products
5961-00-910-6357 INTERCHANGEABLE
Semiconductor Device,diode
6550-01-023-79772591 INTERCHANGEABLE
Test Kit,bilirubin Determination
Siemens Medical Solutions Diagnostics
5325-01-074-257025901 INTERCHANGEABLE
Insert,screw Thread
Jergens Inc Div Tooling Components Division
5999-01-084-62653150082-1 INTERCHANGEABLE
Contact,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4820-01-098-5512172-00 INTERCHANGEABLE
Plug,moveable
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-106-8319151-00 INTERCHANGEABLE
Stem,fluid Valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
40473 PIECE 18 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40473 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
259-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
259-1 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5950-00-068-7943INTERCHANGEABLE
TRANSFORMER,POWER
577R593H01
6220-00-115-5038INTERCHANGEABLE
LENS,LIGHT
259-001-GRN
5330-00-433-1475INTERCHANGEABLE
GASKET
5340-00-690-8891INTERCHANGEABLE
BUTTON,PLUG
2591
5961-00-910-6357INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6550-01-023-7977INTERCHANGEABLE
TEST KIT,BILIRUBIN DETERMINATION
2591
5325-01-074-2570INTERCHANGEABLE
INSERT,SCREW THREAD
25901
5999-01-084-6265INTERCHANGEABLE
CONTACT,ELECTRICAL
3150082-1
4820-01-098-5512INTERCHANGEABLE
PLUG,MOVEABLE
172-00
4820-01-106-8319INTERCHANGEABLE
STEM,FLUID VALVE
151-00
4820-01-113-4572INTERCHANGEABLE
WHEEL,ADJUSTMENT
40175-01 FIND NO 8
6850-01-157-4348INTERCHANGEABLE
ULTRASONIC COUPLANT
25-901

Frequently Asked Questions

What is NSN 4820-01-215-2271?

NSN 4820-01-215-2271 is a Plunger,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-215-2271?

NSN 4820-01-215-2271 has 4 cross-referenced part numbers: 40473 PIECE 18 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40473 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 259-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 259-1 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-215-2271?

There are 12 known substitutes for 4820-01-215-2271: 5950-00-068-7943, 6220-00-115-5038, 5330-00-433-1475 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 259-01?

Key specifications for 259-01: General Characteristics Item Description: MONEL;2.000 IN. DOUBLE SEAL IN. 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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