4730-00-555-8203 ( AS21921 , AS21921-4D , MS21921-4D , VSF1212-4WW , AS18280 , 202-21600W4 , DV600W4 , 118-21600-230-4 , MS21921D4 , 118-21600-230-4 , ER817-4D , 2652291W4 , VSF1212-4WW , 156/15 , CVC4257W4 )

NSN Information
NSN FSC NIIN Item Name INC
4730-00-555-8203 4730 005558203 NUT,TUBE COUPLING 0385
NSN Features
MRC Parameter Characteristics
SFTT SURFACE TREATMENT ANODIZE OVERALL
AGAV END ITEM IDENTIFICATION AIRCRAFT APPLICATION,IROQUIS UH-1,CHINOOK CH-47 HELICOPTER,DELTA DART F-106,F-111. TOMCAT F-14A,STARLIFTER C-141 AIRCRAFT,E-3A AIRCRAFT WARNING AND CONTROL SYSTEM (AWACS)
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-A-367,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR QQ-A-225/6,T6,T62 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 0.562 INCHES NOMINAL
BSPX SMALLEST INSIDE DIAMETER 0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
CQJX NOMINAL THREAD SIZE 0.438 INCHES
ADEA NUT HEIGHT 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJD THREAD CLASS 3B
FEAT SPECIAL FEATURES GRUMMAN AEROSPACE CORP A10 AIRCRAFT; WEAPON SYSTEM ESSENTIAL
BRQL LENGTH TO SHOULDER 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
AARN FABRICATION METHOD ANY ACCEPTABLE
ACTA NUT STYLE TUBE COUPLING
MATT MATERIAL ALUMINUM ALLOY 2014 OVERALL OR ALUMINUM ALLOY 2024 OVERALL
CRTL CRITICALITY CODE JUSTIFICATION FEAT
CMLP THREAD QUANTITY PER INCH 20
BZRR THREAD SERIES UNJF
CRRB SEAT ANGLE 45.00 DEGREES NOMINAL
ZZZK SPECIFICATION/STANDARD DATA 96906-MS21921 GOVERNMENT STANDARD
CQRJ NOMINAL TUBE OUTSIDE DIAMETER 0.250 INCHES
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
AS21921 81343 A 1 3 E ZZ
AS21921-4D 81343 A 2 3 E ZZ
MS21921-4D 81343 A 2 3 E ZZ
VSF1212-4WW C4293 A 9 5 9 ZG
AS18280 81343 A 1 3 E ZZ
202-21600W4 80378 A 9 5 1 AX
DV600W4 17491 H 9 5 4 SE
118-21600-230-4 79470 R 1 5 4 SE
MS21921D4 96906 M 9 5 E AX
118-21600-230-4 14798 A 9 5 E AX
ER817-4D 81755 A 9 5 4 SB
2652291W4 92003 A 1 5 4 SE
VSF1212-4WW 92215 A 1 5 4 SE
156/15 K7018 A 9 5 2 ZK
CVC4257W4 80378 A 1 5 1 SE
Manufacturers
Part SKU Cage Manufacturer Type Status
AS21921 81343 SOCIETY OF AUTOMOTIVE ENGINEERS A A
AS21921-4D 81343 SOCIETY OF AUTOMOTIVE ENGINEERS A A
MS21921-4D 81343 SOCIETY OF AUTOMOTIVE ENGINEERS A A
VSF1212-4WW C4293 ALCOA FASTENING SYSTEMS FAIRCHIL F A
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS A A
202-21600W4 80378 TRIUMPH AEROSTRUCTURES, LLC A A
DV600W4 17491 S-I ELECTRONICS INC A H
118-21600-230-4 79470 DANA CORP A R
MS21921D4 96906 MILITARY STANDARDS A M
118-21600-230-4 14798 DESIGNED METAL CONNECTIONS INC. A A
ER817-4D 81755 LOCKHEED MARTIN CORPORATION A A
2652291W4 92003 PARKER HANNIFIN CORPORATION A A
VSF1212-4WW 92215 ALCOA GLOBAL FASTENERS INC. A A
156/15 K7018 WELLMAN GROUP E A
CVC4257W4 80378 TRIUMPH AEROSTRUCTURES, LLC A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U Y A 1 01/01/1 N 7609000000 0385
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DN 9B----- N
DA Z J22BXX- A
DS N I
DM Z 12B2--- M
DF N SF9SX-V F
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
A U N Y
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DF SMS V H EA 0 U SF9SX-V F
DA SMS Y H EA 0 U Z J22BXX- A
DS SMS Y H EA 0 U D
DM SMS Y H EA 0 U Z 12B2--- M
DN SMS Y H EA 0 U 9B----- N
Management Control Army
MATCAT 1 MATCAT 2 MATCAT 3 MATCAT 4 5 ARC
J 2 2 BX X
Freight
NMFC NMFC SUB UFC HMC LTL LCL WCC TCC SHC ADC ACC ASH NMF DESC
013540 X 05680 Q 576 Z 9 A B Z ALUM NUTS