PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

285-01Guide,piston

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-215-6551 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-215-6551 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-215-6551. Primary manufacturer part number: 285-01.
Features
  • Guide,piston — FSC 4820
  • General Characteristics Item Description: STAINLESS STEEL; O/A LENGTH 2.5 IN. IN
  • 1 verified cross-reference
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Guide,piston, cataloged under National Stock Number 4820-01-215-6551, 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 1 commercial cross-reference 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
NSN4820-01-215-6551
Primary Part Number285-01
Item NameGuide,piston
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL; O/A LENGTH 2.5 IN. IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5977-00-102-4015BP4001A01 INTERCHANGEABLE
Holder,electrical Contact Brush
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
6145-00-295-2806HP3-EXBAB9 INTERCHANGEABLE
Wire,electrical
National Electrical Mfrs Assn Dba Nema
2805-00-382-7986028501 INTERCHANGEABLE
Cap
Caterpillar Inc Div Caterpillar Defense
5930-00-430-81202131815-4 INTERCHANGEABLE
Switch,code Indicating Wheel
Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
6850-00-555-28781 GAL 11701 INTERCHANGEABLE
Sealer,chemical
Thompson-Minwaw Co the Minwax Co Div
4310-00-657-679828501 INTERCHANGEABLE
Pin Assy,adjusting
Hdt Expeditionary Systems Inc
6130-01-019-83162498953-002 INTERCHANGEABLE
Power Supply
Naval Sea Systems Command
5961-01-055-5274FDH300 INTERCHANGEABLE
Semiconductor Device,diode
National Semiconductor Corporation
3610-01-151-747128501 INTERCHANGEABLE
Sheave
Baumfolder Corp
5930-01-159-751028501 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
Cross-Reference Index
Part NumberManufacturer
285-01 PRIMARY Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5977-00-102-4015INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
BP4001A01
6145-00-295-2806INTERCHANGEABLE
WIRE,ELECTRICAL
HP3-EXBAB9
2805-00-382-7986INTERCHANGEABLE
CAP
028501
5930-00-430-8120INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
2131815-4
6850-00-555-2878INTERCHANGEABLE
SEALER,CHEMICAL
1 GAL 11701
4310-00-657-6798INTERCHANGEABLE
PIN ASSY,ADJUSTING
28501
6130-01-019-8316INTERCHANGEABLE
POWER SUPPLY
2498953-002
5961-01-055-5274INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
FDH300
3610-01-151-7471INTERCHANGEABLE
SHEAVE
28501
5930-01-159-7510INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
28501
5950-01-225-0499INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A3013613-1
6240-01-407-0590INTERCHANGEABLE
LAMP,INCANDESCENT
28501

Frequently Asked Questions

What is NSN 4820-01-215-6551?

NSN 4820-01-215-6551 is a Guide,piston, 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 4820-01-215-6551?

NSN 4820-01-215-6551 has 1 cross-referenced part number: 285-01 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-215-6551?

There are 12 known substitutes for 4820-01-215-6551: 5977-00-102-4015, 6145-00-295-2806, 2805-00-382-7986 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 285-01?

Key specifications for 285-01: General Characteristics Item Description: STAINLESS STEEL; O/A LENGTH 2.5 IN. 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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