PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

189CS-167MOD 1551T1900PSIValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-228-4259 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-228-4259 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-228-4259. Primary manufacturer part number: 189CS-167MOD 1551T1900PSI.
Features
  • Valve,safety Relief — FSC 4820
  • 13 verified cross-references
  • Primary manufacturer: Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-228-4259, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. This item has 13 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersCurtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (CAGE 8FGX3); Danco Valve Company (CAGE 65079); Dante Valve Company (CAGE 5P967); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343); Dresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236)
Technical Specifications
ParameterValue
NSN4820-01-228-4259
Primary Part Number189CS-167MOD 1551T1900PSI
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-118-928870958 INTERCHANGEABLE
Retainer,packing
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-01-434-9194FRS 9526 INTERCHANGEABLE
Extractor,screw
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
Cross-Reference Index
Part NumberManufacturer
7095B Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
D49-30-UU-0-1/2 Danco Valve Company (USA)
D49-30UU-07 Dante Valve Company (USA)
189CS-167MOD 1551T1900PSI PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
70958 Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
9523ANDML 187 1551T1900PSI PRIMARY Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
7095B Siemens Energy, Inc. Dba Dresser-Rand (USA)
70958 Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA)
7095B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
9523ANDML187 15 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
D49-30UU-07 Danco Valve Company (USA)
70958 Siemens Energy, Inc. Dba Dresser-Rand (USA)
D49-30-UU-07-1/2 Danco Valve Company (USA)
Related Parts
5330-00-118-9288INTERCHANGEABLE
RETAINER,PACKING
70958
5120-01-434-9194INTERCHANGEABLE
EXTRACTOR,SCREW
FRS 9526

Frequently Asked Questions

What is NSN 4820-01-228-4259?

NSN 4820-01-228-4259 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-228-4259?

NSN 4820-01-228-4259 has 13 cross-referenced part numbers: 7095B (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), D49-30-UU-0-1/2 (Danco Valve Company), D49-30UU-07 (Dante Valve Company), 189CS-167MOD 1551T1900PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 70958 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture) and 8 more.

What NSN replaces 4820-01-228-4259?

There are 2 known substitutes for 4820-01-228-4259: 5330-00-118-9288, 5120-01-434-9194. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-228-4259 still in active supply?

NSN 4820-01-228-4259 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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