5305-01-048-1141 ( 51B221-31 , 51B221-31 )

NSN Information
NSN FSC NIIN Item Name INC
5305-01-048-1141 5305 010481141 SCREW,CLOSE TOLERANCE 2929
NSN Features
MRC Parameter Characteristics
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
MATT MATERIAL STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
ANEE GRIP LENGTH 1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNJF
AAJD THREAD CLASS 3A
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL OR CADMIUM OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AASA THREAD LENGTH 0.246 INCHES MINIMUM AND 0.323 INCHES MAXIMUM
AAUR GRIP DIAMETER 0.1185 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
AASL HEAD DIAMETER 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
AASB FASTENER LENGTH 2.199 INCHES MINIMUM AND 2.246 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR NAS 672 ASSN STD 2ND TREATMENT RESPONSE OVERALL
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
CMLP THREAD QUANTITY PER INCH 32
AASU HEAD HEIGHT 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM
AASK HEAD STYLE PAN
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
51B221-31 0JRC1 A 1 C 9X 4 ZZ
51B221-31 76823 A 9 3 4 KZ
Manufacturers
Part SKU Cage Manufacturer Type Status
51B221-31 0JRC1 NORTHROP GRUMMAN TECHNICAL SERVI F A
51B221-31 76823 NORTHROP GRUMMAN SYSTEMS CORPORA F A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U X A 1 09/19/1 N 7318152000 2929
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
Management Control Army
MATCAT 1 MATCAT 2 MATCAT 3 MATCAT 4 5 ARC
Freight
NMFC NMFC SUB UFC HMC LTL LCL WCC TCC SHC ADC ACC ASH NMF DESC