PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1/4IN548A225PSIValve,safety Relief

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-00-836-2950 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-836-2950 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-836-2950. Primary manufacturer part number: 1/4IN548A225PSI.
Features
  • Valve,safety Relief — FSC 4820
  • 2 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 4820-00-836-2950, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 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)
ManufacturersAnderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343)
Technical Specifications
ParameterValue
NSN4820-00-836-2950
Primary Part Number1/4IN548A225PSI
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 12
4820-00-005-73943835-27 INTERCHANGEABLE
Valve,safety Relief
Kahn and Company, Incorporated
4820-00-027-0994 INTERCHANGEABLE
Valve,safety Relief
4940-00-181-7590 INTERCHANGEABLE
Gun,air Blow
4820-00-585-7859 INTERCHANGEABLE
Valve,safety Relief
3415-00-804-171748A INTERCHANGEABLE
Grinding Machine,carbide Tool Bi
Textron Inc
4820-00-812-900948A1-4IN205PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-837-8183 INTERCHANGEABLE
Valve,safety Relief
4820-00-837-8184115-4-50 INTERCHANGEABLE
Valve,safety Relief
Mid-State Sales, Inc. Div Defense Products Group
4820-00-840-428648A1-4IN220PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
4820-00-844-684948A1-4IN75PSI INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
1/4IN548A225PSI Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
48A Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-005-7394INTERCHANGEABLE
VALVE,SAFETY RELIEF
3835-27
4820-00-027-0994INTERCHANGEABLE
VALVE,SAFETY RELIEF
4940-00-181-7590INTERCHANGEABLE
GUN,AIR BLOW
4820-00-585-7859INTERCHANGEABLE
VALVE,SAFETY RELIEF
3415-00-804-1717INTERCHANGEABLE
GRINDING MACHINE,CARBIDE TOOL BI
48A
4820-00-812-9009INTERCHANGEABLE
VALVE,SAFETY RELIEF
48A1-4IN205PSI
4820-00-837-8183INTERCHANGEABLE
VALVE,SAFETY RELIEF
4820-00-837-8184INTERCHANGEABLE
VALVE,SAFETY RELIEF
115-4-50
4820-00-840-4286INTERCHANGEABLE
VALVE,SAFETY RELIEF
48A1-4IN220PSI
4820-00-844-6849INTERCHANGEABLE
VALVE,SAFETY RELIEF
48A1-4IN75PSI
4140-00-936-3147INTERCHANGEABLE
BLOWER,AIR BARRIER
MODEL 48 STANDARD METAL HOUSING
4820-01-164-7771INTERCHANGEABLE
COCK,PLUG
4793K45

Frequently Asked Questions

What is NSN 4820-00-836-2950?

NSN 4820-00-836-2950 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 4820-00-836-2950?

NSN 4820-00-836-2950 has 2 cross-referenced part numbers: 1/4IN548A225PSI (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 48A (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-00-836-2950?

There are 12 known substitutes for 4820-00-836-2950: 4820-00-005-7394, 4820-00-027-0994, 4940-00-181-7590 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-00-836-2950 still in active supply?

NSN 4820-00-836-2950 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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