PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202245Valve,relief,pressure and Temper

Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co · NSN 4820-01-172-0577 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-172-0577 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-172-0577. Primary manufacturer part number: 202245.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Material: STEEL BODY
  • 3 verified cross-references
  • Primary manufacturer: Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-172-0577, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-172-0577
Primary Part Number202245
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKoehring Cranes and Excavators Inc Sub of Northwest Engineering Co
StatusACTIVE
MaterialSTEEL BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-116-3067202245 INTERCHANGEABLE
Gasket
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5365-00-195-140220-2245 INTERCHANGEABLE
Shim
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
1615-00-200-9106202245-243 INTERCHANGEABLE
Piston,pressure Indicator
Falls Filtration Technologies, Inc.
1615-00-201-1010202245 INTERCHANGEABLE
Indicator,filter Differential
Falls Filtration Technologies, Inc.
3020-00-974-1147202245 INTERCHANGEABLE
Gear,spur
Woodward, Inc.
2815-01-320-7275 INTERCHANGEABLE
Pin,piston
4820-01-331-86756436Z47 INTERCHANGEABLE
Valve,safety Relief
Ppm Cranes Inc
Cross-Reference Index
Part NumberManufacturer
202245 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
4680-R Husco International Inc (USA)
202245 Koehring Co (USA)
Related Parts
5330-00-116-3067INTERCHANGEABLE
GASKET
202245
5365-00-195-1402INTERCHANGEABLE
SHIM
20-2245
1615-00-200-9106INTERCHANGEABLE
PISTON,PRESSURE INDICATOR
202245-243
1615-00-201-1010INTERCHANGEABLE
INDICATOR,FILTER DIFFERENTIAL
202245
3020-00-974-1147INTERCHANGEABLE
GEAR,SPUR
202245
2815-01-320-7275INTERCHANGEABLE
PIN,PISTON
4820-01-331-8675INTERCHANGEABLE
VALVE,SAFETY RELIEF
6436Z47

Frequently Asked Questions

What is NSN 4820-01-172-0577?

NSN 4820-01-172-0577 is a Valve,relief,pressure and Temper, manufactured by Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-172-0577?

NSN 4820-01-172-0577 has 3 cross-referenced part numbers: 202245 (Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co), 4680-R (Husco International Inc), 202245 (Koehring Co).

What NSN replaces 4820-01-172-0577?

There are 7 known substitutes for 4820-01-172-0577: 5330-00-116-3067, 5365-00-195-1402, 1615-00-200-9106 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202245?

Key specifications for 202245: Material: STEEL BODY. 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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