PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

168-00Housing,spring

Trac Regulator Co., Inc. Dba Trac Regulator Co Inc · NSN 4820-01-470-8775 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-470-8775 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-470-8775. Primary manufacturer part number: 168-00.
Features
  • Housing,spring — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALIRY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 4 verified cross-references
  • Primary manufacturer: Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Housing,spring, cataloged under National Stock Number 4820-01-470-8775, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-470-8775
Primary Part Number168-00
Item NameHousing,spring
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTrac Regulator Co., Inc. Dba Trac Regulator Co Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALIRY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-399-802216800 INTERCHANGEABLE
Gear,spur
Alan Gordon Enterprises Inc.
5950-00-477-23157118852 INTERCHANGEABLE
Reactor
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6630-00-498-6106 INTERCHANGEABLE
Hydrometer,graduated Scale
4320-00-569-4704V330-19-1C11 INTERCHANGEABLE
Pump,hydraulic
Eaton Aerospace, Llc Dba Jackson South
5935-00-916-169316800 INTERCHANGEABLE
Adapter,connector
Amphenol Corporation Div Amphenol Rf
4820-01-031-9252A53640PC13AND14 INTERCHANGEABLE
Guide Assembly,valv
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5360-01-115-8560168-00 INTERCHANGEABLE
Housing,relief Spring
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5930-01-189-524616800 INTERCHANGEABLE
Switch,thermostatic
Foster Refrigerators Enterprise Inc
5360-01-301-1176169-00 INTERCHANGEABLE
Spring,helical,compression
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6515-01-591-3601511.416 INTERCHANGEABLE
Drill,twist,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
168-00 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-01-27 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
40175-1-27 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
168 Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA)
Related Parts
3020-00-399-8022INTERCHANGEABLE
GEAR,SPUR
16800
5950-00-477-2315INTERCHANGEABLE
REACTOR
7118852
6630-00-498-6106INTERCHANGEABLE
HYDROMETER,GRADUATED SCALE
4320-00-569-4704INTERCHANGEABLE
PUMP,HYDRAULIC
V330-19-1C11
5935-00-916-1693INTERCHANGEABLE
ADAPTER,CONNECTOR
16800
4820-01-031-9252INTERCHANGEABLE
GUIDE ASSEMBLY,VALV
A53640PC13AND14
5360-01-115-8560INTERCHANGEABLE
HOUSING,RELIEF SPRING
168-00
5930-01-189-5246INTERCHANGEABLE
SWITCH,THERMOSTATIC
16800
5360-01-301-1176INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
169-00
6515-01-591-3601INTERCHANGEABLE
DRILL,TWIST,BONE
511.416

Frequently Asked Questions

What is NSN 4820-01-470-8775?

NSN 4820-01-470-8775 is a Housing,spring, 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 4820-01-470-8775?

NSN 4820-01-470-8775 has 4 cross-referenced part numbers: 168-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-01-27 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40175-1-27 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 168 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).

What NSN replaces 4820-01-470-8775?

There are 10 known substitutes for 4820-01-470-8775: 3020-00-399-8022, 5950-00-477-2315, 6630-00-498-6106 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 168-00?

Key specifications for 168-00: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALIRY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 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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