Quote for LW-11956-P20 Textron Lycoming Inc Part with NSN 2810-00-564-6591

Part Number:  LW-11956-P20
Alternate P/N:  LW11956P20
Manufacturer:  textron lycoming inc
NIIN:  5646591
Item Name :  guide valve stem
CAGE Code:  80254
INC Code:  32562
Country:  USA
NCB Code:  00
FSG:  28 Engines Turbines and Components
Last Updated:  01-17-2026

Are you looking quote for part LW-11956-P20? The Textron Lycoming Inc-manufactured component (CAGE Code: 80254) is documented under NSN 2810-00-564-6591 as Guide Valve Stem. For the fastest quote, please complete our RFQ form with details about LW-11956-P20. We guarantee a response within 15 minutes.

ASAP Components provides the verified LW-11956-P20, classified under INC 32562, FSG 28 Engines Turbines and Components, FSC 2810 Gasoline Reciprocating Engines Aircraft Prime Mover and Components, NIIN 00-564-6591, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number LW-11956-P20 with NSN 2810-00-564-6591, 2810005646591

NSNFSCNIINCLSHazmatDEMILCancelled NSN
2810-00-564-6591

Item PartTypeName:

GUIDE,VALVE STEM

2810005646591N
CIICHCCESDPMICCriticalityENAC
U
Part NumberISCRNVCRNCCHCCMSDSSADC
66713-P20223

Characteristics Data of NSN 2810-00-564-6591, 2810005646591

MRCCriteriaCharacteristic
AATACOUNTERSINK ANGLE IN DEG60.0
ABHPOVERALL LENGTH2.500 INCHES NOMINAL
ABKVOUTSIDE DIAMETER1.000 INCHES NOMINAL
ABXVBORE DIAMETER0.3950 INCHES MINIMUM AND 0.3970 INCHES MAXIMUM
AETCMETALLIC HARDNESS RATING80.0 MINIMUM ROCKWELL F
AGQKMAJOR DIAMETER LENGTH0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
AXHQGROOVE QUANTITY4
AYRZCOUNTERSINK DIAMETER0.420 INCHES NOMINAL
BQDCBORE COUNTERSINKINCLUDED
BQDDCOUNTERSINK LOCATIONAA END AND BB END
BQSFBORE COUNTERBORENOT INCLUDED
BQSHAA END DIAMETER0.613 INCHES MINIMUM AND 0.614 INCHES MAXIMUM
BQSJBB END SHANK DIAMETER0.580 INCHES MINIMUM AND 0.600 INCHES MAXIMUM
BQSKBB END CHAMFER LENGTH0.030 INCHES NOMINAL
BQSLBB END CHAMFER ANGLE IN DEG45.0
BQSMAA END CHAMFER LENGTH0.020 INCHES NOMINAL
BQSNAA END CHAMFER ANGLE IN DEG45.0
BQSRSHOULDER FIRST FILLET RADIUS0.020 INCHES NOMINAL
BQSTSHOULDER SECOND FILLET RADIUS0.020 INCHES NOMINAL
BRQMLENGTH FROM AA END TO LARGEST DIAMETER FACE1.500 INCHES NOMINAL
STYLSTYLE DESIGNATORSHOULDERED-GROOVED SHANK
ZZZVFSC APPLICATION DATAACFGT ENG 0480

Schedule B & Trade

End Use : 21180 Industrial machines, other
Schedule B : 8481909090 (NAICS 332911) Parts of taps, cocks, valves and similar appliances, nesoi
SITC : 74790 Parts for taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, etc.

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

NSN Management Codes

AAC Y
Classification Control U
MGMT_CTL 9z-----
Quantity per pack 10
Repariability
Shelf Life N/A
SOS S9i
Unit of Measure Ea

Freight Information

ACC: V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LCL: K - 92.5
LTL: W - Rating variable
NMFC: 133300 - Machinery/machines noi
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 593 - Motors and parts, (machinery and parts),(less than 35 feet)

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