PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40175-1-18Packing Chamber,vlv

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-470-8471 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-470-8471 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-470-8471. Primary manufacturer part number: 40175-1-18.
Features
  • Packing Chamber,vlv — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 4 verified cross-references
  • 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 Packing Chamber,vlv, cataloged under National Stock Number 4820-01-470-8471, 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 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
NSN4820-01-470-8471
Primary Part Number40175-1-18
Item NamePacking Chamber,vlv
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-298-5744PH254 INTERCHANGEABLE
Retainer,packing
Wisconsin Motors, Llc
5360-00-382-8168 INTERCHANGEABLE
Spring,helical,torsion
6340-00-765-387815665-3 INTERCHANGEABLE
Mounting Base
Hutchinson Aerospace & Industry, Inc.
5950-00-827-958410913 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
4210-00-935-1656 INTERCHANGEABLE
Extinguisher,fire
5961-00-957-6865 INTERCHANGEABLE
Semiconductor Device,diode
4820-01-105-5660159-00 INTERCHANGEABLE
Packing Chamber,val
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4730-01-219-20653A2878 INTERCHANGEABLE
Plug,pipe
Link-Belt Cranes, L.p., Lllp
6320-01-377-0033 INTERCHANGEABLE
Panel,salinity Monitoring and Al
6320-01-380-0561 INTERCHANGEABLE
Panel,salinity Monitoring and Al
Cross-Reference Index
Part NumberManufacturer
40175-1-18 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-01-18 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
159 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
159-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
5330-00-298-5744INTERCHANGEABLE
RETAINER,PACKING
PH254
5360-00-382-8168INTERCHANGEABLE
SPRING,HELICAL,TORSION
6340-00-765-3878INTERCHANGEABLE
MOUNTING BASE
15665-3
5950-00-827-9584INTERCHANGEABLE
REACTOR
10913
4210-00-935-1656INTERCHANGEABLE
EXTINGUISHER,FIRE
5961-00-957-6865INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4820-01-105-5660INTERCHANGEABLE
PACKING CHAMBER,VAL
159-00
4730-01-219-2065INTERCHANGEABLE
PLUG,PIPE
3A2878
6320-01-377-0033INTERCHANGEABLE
PANEL,SALINITY MONITORING AND AL
6320-01-380-0561INTERCHANGEABLE
PANEL,SALINITY MONITORING AND AL
6150-01-468-8885INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
8145-01-562-2385INTERCHANGEABLE
SHIPPING AND STORAG
17675-1200

Frequently Asked Questions

What is NSN 4820-01-470-8471?

NSN 4820-01-470-8471 is a Packing Chamber,vlv, 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 4820-01-470-8471?

NSN 4820-01-470-8471 has 4 cross-referenced part numbers: 40175-1-18 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-01-18 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 159 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 159-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-470-8471?

There are 12 known substitutes for 4820-01-470-8471: 5330-00-298-5744, 5360-00-382-8168, 6340-00-765-3878 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40175-1-18?

Key specifications for 40175-1-18: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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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