NSN

4820-00-903-4951

Seat,Valve

FSC 4820VALVES, NONPOWEREDFSG 48VALVES

Unit Price

$638.27

per EA

7 parts / 4 mfrs

Part Numbers for NSN 4820-00-903-49517 records
Part NumberCAGEManufacturerRNCCRNVC
7170750BR59Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand59
5013PIECE5282328Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture59
52ND501382328Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture59
71707582328Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture39
ND5013PC5282328Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture59
717075830Q4Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions59
7170758FGX3Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions32
Manufacturers (4)

Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand

CAGE 0BR59
View NSNs

Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture

CAGE 82328
View NSNs

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions

CAGE 830Q4
View NSNs

Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions

CAGE 8FGX3
View NSNs
Price History
Effective DateUnit PriceUISLC
01-OCT-2025$638.27EA0
01-OCT-2025$638.27EA0
Identification Data

DEMIL

A

HMIC

N

PMIC

A

ESD/EMI

Item Characteristics
MRCRequirementReply
ABKKFLANGE DIAMETER1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM
ADARBODY OUTSIDE DIAMETER1.874 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
ADASBODY INSIDE DIAMETER0.875 INCHES MINIMUM AND 0.877 INCHES MAXIMUM
AJRFFLANGE SEAT TO DISK END HEIGHT0.188 INCHES NOMINAL
AJRMUNDER FLANGE HEIGHT0.250 INCHES NOMINAL
AJSGSEAT ANGLE IN DEG25.000 NOMINAL
CQKMSEATING SURFACE SHAPEANGULAR
MATTMATERIALSTEEL BODY
MATTMATERIALCOBALT ALLOY FACE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE BODY
STYLSTYLE DESIGNATORPLAIN FLANGED

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About NSN 4820-00-903-4951

NSN 4820-00-903-4951 is a National Stock Number assigned to Seat,Valve. This NSN part number belongs to Federal Supply Class 4820 (VALVES, NONPOWERED) under Federal Supply Group 48 (VALVES). There are 7 part numbers associated with this NSN from 4 manufacturers.

The current government unit price for NSN 4820-00-903-4951 is $638.27. Price history shows 2 recorded price changes.

To find the part number for NSN 4820-00-903-4951, refer to the part number cross-reference table above. Each part number is linked to its manufacturer through a CAGE (Commercial and Government Entity) code.