Quote for MS21937-4L Eaton Aeroquip Inc Part with NSN 4730-00-821-0189

Part Number:  MS21937-4L
Alternate P/N:  MS219374L
Manufacturer:  eaton aeroquip inc
NIIN:  8210189
Item Name :  packing nut
CAGE Code:  00624
INC Code:  18028
Country:  USA
NCB Code:  00
FSG:  47 Pipe Tubing Hose and Fittings
Last Updated:  02-26-2026

Are you looking quote for part MS21937-4L? The Eaton Aeroquip Inc-manufactured component (CAGE Code: 00624) is documented under NSN 4730-00-821-0189 as Packing Nut. For the fastest quote, please complete our RFQ form with details about MS21937-4L. We guarantee a response within 15 minutes.

ASAP Components provides the verified MS21937-4L, classified under INC 18028, FSG 47 Pipe Tubing Hose and Fittings, FSC 4730 Hose Pipe Tube Lubrication and Railing Fittings, NIIN 00-821-0189, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number MS21937-4L with NSN 4730-00-821-0189, 4730008210189

NSNFSCNIINCLSHazmatDEMILCancelled NSN
4730-00-821-0189

Item PartTypeName:

PACKING NUT

47300082101890N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
105-01495295

Characteristics Data of NSN 4730-00-821-0189, 4730008210189

MRCCriteriaCharacteristic
AAJFTHREAD DIRECTIONRIGHT-HAND
AASGCASEHARDENING INDICATORNOT CASEHARDENED
ABHPOVERALL LENGTH0.406 INCHES NOMINAL
ABVAUNTHREADED PORTION LENGTH0.156 INCHES NOMINAL
AGRULARGEST INSIDE DIAMETER0.562 INCHES NOMINAL
ASDBWIDTH ACROSS FLATS1.000 INCHES NOMINAL
BBMMSCREW THREAD LOCATIONINTERNAL
BRQLLENGTH TO SHOULDER0.344 INCHES NOMINAL
CFQGMAJOR UNTHREADED OUTSIDE DIAMETER0.687 INCHES NOMINAL
MATTMATERIALALUMINUM ALLOY 7075
STYLSTYLE DESIGNATORHEXAGON,INTERNAL THREAD,SHOULDERED
ZZZKSPECIFICATION/STANDARD DATA81343-SAE AS21937 MANUFACTURERS STANDARD
AAJDTHREAD CLASS3B
AASATHREAD LENGTH0.250 INCHES NOMINAL
ABUJTHREAD SIZE7/16IN-20
AJYPSCREW THREAD SERIES DESIGNATORUNF

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 Z
Classification Control U
MGMT_CTL J2200x-
Quantity per pack 100
Repariability This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.
Shelf Life N/A
SOS Sms
Unit of Measure Ea

Freight Information

ACC: B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: Q - 70.0
NMFC: 093470 - Bolts/nuts i/s
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 573 - Bolts or nuts (iron or steel),(less than 35 feet)

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