PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

285-00Guide,valve Stem

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-219-2129 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-219-2129 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-219-2129. Primary manufacturer part number: 285-00.
Features
  • Guide,valve Stem — FSC 4820
  • Material: COPPER ALLOY
  • Bore Diameter: 2.6275 INCHES NOMINAL IN
  • 5 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
  • Applications requiring Copper Alloy construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-219-2129, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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
NSN4820-01-219-2129
Primary Part Number285-00
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
MaterialCOPPER ALLOY
Bore Diameter2.6275 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-112-589215091-13 INTERCHANGEABLE
Bearing,roller,needle
Calgon Carbon Uv Technologies Llc Dba Hyde Marine
4810-00-217-024815390-1 INTERCHANGEABLE
Valve,solenoid
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-00-363-79142A3483 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
1610-00-494-454615379-1 INTERCHANGEABLE
Parts Kit
Hamilton Sundstrand Corporation Dba Collins Aerospace
4820-00-513-641728500 INTERCHANGEABLE
Valve,plug
Woodward Hrt Inc
4310-00-657-679728500 INTERCHANGEABLE
Latch Assy,hood
Hdt Expeditionary Systems Inc
5945-00-815-3511 INTERCHANGEABLE
Relay,electromagnetic
4720-00-947-680110290-47 INTERCHANGEABLE
Hose Assembly,metallic
Fmh Aerospace Corp.
5110-00-997-423728-500 INTERCHANGEABLE
Scraper,glass,razor Blade
Stanley Tools Div of Stanley Works
6130-01-019-8315 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
1539-01 Lawler Manufacturing Company, Inc. (USA)
72015 PIECE 20 Lawler Manufacturing Company, Inc. (USA)
72015 Lawler Manufacturing Company, Inc. (USA)
285-00 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
1539-01 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3110-00-112-5892INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
15091-13
4810-00-217-0248INTERCHANGEABLE
VALVE,SOLENOID
15390-1
5330-00-363-7914INTERCHANGEABLE
GASKET
2A3483
1610-00-494-4546INTERCHANGEABLE
PARTS KIT
15379-1
4820-00-513-6417INTERCHANGEABLE
VALVE,PLUG
28500
4310-00-657-6797INTERCHANGEABLE
LATCH ASSY,HOOD
28500
5945-00-815-3511INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
4720-00-947-6801INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
10290-47
5110-00-997-4237INTERCHANGEABLE
SCRAPER,GLASS,RAZOR BLADE
28-500
6130-01-019-8315INTERCHANGEABLE
POWER SUPPLY
5930-01-045-1505INTERCHANGEABLE
SWITCH,PRESSURE
28500
3510-01-208-7511INTERCHANGEABLE
DOOR,WASHER EXTRACTOR
28-500

Frequently Asked Questions

What is NSN 4820-01-219-2129?

NSN 4820-01-219-2129 is a Guide,valve Stem, 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 4820-01-219-2129?

NSN 4820-01-219-2129 has 5 cross-referenced part numbers: 1539-01 (Lawler Manufacturing Company, Inc.), 72015 PIECE 20 (Lawler Manufacturing Company, Inc.), 72015 (Lawler Manufacturing Company, Inc.), 285-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 1539-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-219-2129?

There are 12 known substitutes for 4820-01-219-2129: 3110-00-112-5892, 4810-00-217-0248, 5330-00-363-7914 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 285-00?

Key specifications for 285-00: Material: COPPER ALLOY; Special Features: 3.625 IN. OD FIRST END, 3.125 IN. OD SECOND END, 1.375 IN. O/A LG IN; Bore Diameter: 2.6275 INCHES NOMINAL IN. 3 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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