PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40166Valve,regulating,system Pressure

Paccar Winch Inc Dba Paccar Winch Division · NSN 4820-01-548-1312 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-548-1312 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-548-1312. Primary manufacturer part number: 40166.
Features
  • Valve,regulating,system Pressure — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Paccar Winch Inc Dba Paccar Winch Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,system Pressure, cataloged under National Stock Number 4820-01-548-1312, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-548-1312
Primary Part Number40166
Item NameValve,regulating,system Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-012-0492648690 INTERCHANGEABLE
Packing with Retainer
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5330-00-154-836324226 INTERCHANGEABLE
Seal,plain Encased
Dressta North America Ltd
3825-00-374-69243540166 INTERCHANGEABLE
Coupling Assembly,s
Sicard a Division of Smi-Snowblast Inc Dba Sicard
5999-00-424-982740-166 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
6625-01-037-0058AM0170 INTERCHANGEABLE
Ammeter
Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc
6680-01-149-011240166 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
2910-01-291-590240166 INTERCHANGEABLE
Pump,fuel,electrical
Purolator Products Co Div Motor Components, Llc
5985-01-463-70239804-20A0 INTERCHANGEABLE
Attenuator,variable
Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc
5310-01-556-555540166 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
40166 PRIMARY Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
5330-00-012-0492INTERCHANGEABLE
PACKING WITH RETAINER
648690
5330-00-154-8363INTERCHANGEABLE
SEAL,PLAIN ENCASED
24226
3825-00-374-6924INTERCHANGEABLE
COUPLING ASSEMBLY,S
3540166
5999-00-424-9827INTERCHANGEABLE
CONTACT,ELECTRICAL
40-166
6625-01-037-0058INTERCHANGEABLE
AMMETER
AM0170
6680-01-149-0112INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40166
2910-01-291-5902INTERCHANGEABLE
PUMP,FUEL,ELECTRICAL
40166
5985-01-463-7023INTERCHANGEABLE
ATTENUATOR,VARIABLE
9804-20A0
5310-01-556-5555INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
40166

Frequently Asked Questions

What is NSN 4820-01-548-1312?

NSN 4820-01-548-1312 is a Valve,regulating,system Pressure, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-548-1312?

NSN 4820-01-548-1312 has 1 cross-referenced part number: 40166 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 4820-01-548-1312?

There are 9 known substitutes for 4820-01-548-1312: 5330-00-012-0492, 5330-00-154-8363, 3825-00-374-6924 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40166?

Key specifications for 40166: End Item Identification: 3830-01-538-1421, WINCH ATTACHMENT, SINGLE DRUM, MODEL PA80; Part Name Assigned by Controlling Agency: DIFFERENTIAL, PRESSURE, UNLOADING CARTRIDGE. 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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