Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-312-8198 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-312-8198 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-312-8198. Primary manufacturer part number: 20256Z51M.
4820-01-312-8198 — No Item Name Available illustration
Features
Valve,relief,pressure and Temper — FSC 4820
Second Connection Face to Centerline Distance: 6.438 INCHES NOMINAL IN
Material Document and Classification: QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT
Material: NICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM
Temp Adjustability: NOT ADJUSTABLE
Material Document and Classification: QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM
Material Document and Classification: QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE BODY
Material: NICKEL ALLOY K-500 OR NICKEL ALLOY 502 FLOW CONTROL DEVICE
Applications
Flow control in piping systems
Pressure regulation
Steam and fluid isolation
Applications requiring Nickel Alloy K-500 or Nickel Alloy 502 Stem construction
General Description
The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-312-8198, 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. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-312-8198
Primary Part Number
20256Z51M
Item Name
Valve,relief,pressure and Temper
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Status
ACTIVE
Second Connection Face to Centerline Distance
6.438 INCHES NOMINAL IN
Material Document and Classification
QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT
Material
NICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM
Temp Adjustability
NOT ADJUSTABLE
Material Document and Classification
QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM
Material Document and Classification
QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE BODY
Material
NICKEL ALLOY K-500 OR NICKEL ALLOY 502 FLOW CONTROL DEVICE
FSC Application Data
VALVE SAFETY RELIEF
Material
NICKEL ALLOY BODY
Material
NICKEL ALLOY SEAT
Body Style
ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
Material Document and Classification
QQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OR QQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
NSN 4820-01-312-8198 is a Valve,relief,pressure and Temper, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.
What are the part numbers for NSN 4820-01-312-8198?
NSN 4820-01-312-8198 has 2 cross-referenced part numbers: 20256Z51M (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20256 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
What NSN replaces 4820-01-312-8198?
There are 12 known substitutes for 4820-01-312-8198: 3431-00-086-1180, 5310-00-223-3162, 1650-00-555-1423 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 20256Z51M?
Key specifications for 20256Z51M: Second Connection Face to Centerline Distance: 6.438 INCHES NOMINAL IN; Material Document and Classification: QQ-N-288, COMP A FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY K-500 OR NICKEL ALLOY 502 STEM; Temp Adjustability: NOT ADJUSTABLE. 15 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.