PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

48001066Valve,safety Relief

Pti Technologies Inc. · NSN 4820-00-195-2155 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-195-2155 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-195-2155. Primary manufacturer part number: 48001066.
Features
  • Valve,safety Relief — FSC 4820
  • Flow Control Device: POPPET
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Style Designator: SCREW-IN CARTRIDGE
  • Connection Style: PLAIN (TUBE) ALL ENDS
  • Thread Class: 2A ALL ENDS A
  • Connection Type: THREADED EXTERNAL TUBE ALL ENDS
  • Thread Series Designator: UNF ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-195-2155, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-195-2155
Primary Part Number48001066
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusACTIVE
Flow Control DevicePOPPET
Thread DirectionRIGHT-HAND ALL ENDS
Style DesignatorSCREW-IN CARTRIDGE
Connection StylePLAIN (TUBE) ALL ENDS
Thread Class2A ALL ENDS A
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Thread Series DesignatorUNF ALL ENDS
Valve Operation MethodAUTOMATIC
MaterialSTEEL CORROSION RESISTING BODY
Nominal Thread Size0.875 INCHES ALL ENDS IN
Disk Loading MethodSPRING
MaterialSTEEL CORROSION RESISTING BODY
Nominal Thread Size0.875 INCHES ALL ENDS IN
Style DesignatorSCREW-IN CARTRIDGE
Thread Series DesignatorUNF ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5130-00-275-12065130-00-275-1206 INTERCHANGEABLE
Blade,reciprocating Saw
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
48001066 Woodward Hrt Inc (USA)
48001066 PRIMARY Pti Technologies Inc. (USA)
Related Parts
5130-00-275-1206INTERCHANGEABLE
BLADE,RECIPROCATING SAW
5130-00-275-1206

Frequently Asked Questions

What is NSN 4820-00-195-2155?

NSN 4820-00-195-2155 is a Valve,safety Relief, manufactured by Pti Technologies Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-195-2155?

NSN 4820-00-195-2155 has 2 cross-referenced part numbers: 48001066 (Woodward Hrt Inc), 48001066 (Pti Technologies Inc.).

What NSN replaces 4820-00-195-2155?

There is 1 known substitute for 4820-00-195-2155: 5130-00-275-1206. Verify interchangeability with system specifications before substitution.

What are the specifications of 48001066?

Key specifications for 48001066: Flow Control Device: POPPET; Thread Direction: RIGHT-HAND ALL ENDS; Style Designator: SCREW-IN CARTRIDGE; Connection Style: PLAIN (TUBE) ALL ENDS. 15 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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