5305-00-031-1136 ( 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 , 51B581-3-7 )

NSN Information
NSN FSC NIIN Item Name INC
5305-00-031-1136 5305 000311136 SCREW,CLOSE TOLERANCE 2929
NSN Features
MRC Parameter Characteristics
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
CRSQ COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
THSD THREAD SERIES DESIGNATOR UNJF
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.250 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL
AASK HEAD STYLE FLAT COUNTERSUNK
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
AASL HEAD DIAMETER 0.296 INCHES MINIMUM AND 0.301 INCHES MAXIMUM
AASB FASTENER LENGTH 0.698 INCHES MINIMUM AND 0.745 INCHES MAXIMUM
ANEE GRIP LENGTH 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM
AAUR GRIP DIAMETER 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
ABQZ INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
CMLP THREAD QUANTITY PER INCH 32
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
51B581-3-7 80539 A 2 5 2 ZZ
51B581-3-7 73197 A 2 5 2 ZZ
51B581-3-7 0JRC1 A 2 3 5 ZZ
51B581-3-7 17446 A 2 5 2 ZZ
51B581-3-7 76823 A 9 3 2 SE
51B581-3-7 27624 A 2 5 2 ZZ
51B581-3-7 22915 A 2 5 2 ZZ
51B581-3-7 06725 A 2 5 2 ZZ
51B581-3-7 1RC86 A 2 5 2 ZZ
51B581-3-7 06950 A 2 5 2 ZZ
51B581-3-7 L4528 A 2 5 2 ZZ
Manufacturers
Part SKU Cage Manufacturer Type Status
51B581-3-7 80539 SPS TECHNOLOGIES LLC A A
51B581-3-7 73197 HI-SHEAR CORPORATION A A
51B581-3-7 0JRC1 NORTHROP GRUMMAN TECHNICAL SERVI F A
51B581-3-7 17446 HUCK INTERNATIONAL INC. A A
51B581-3-7 76823 NORTHROP GRUMMAN SYSTEMS CORPORA F A
51B581-3-7 27624 PAUL R. BRILES INC. F A
51B581-3-7 22915 NORTHROP GRUMMAN CORP A A
51B581-3-7 06725 SPS TECHNOLOGIES LLC A A
51B581-3-7 1RC86 ALCOA GLOBAL FASTENERS INC. A A
51B581-3-7 06950 ALCOA GLOBAL FASTENERS INC. A A
51B581-3-7 L4528 LISI AEROSPACE CANADA CORP E A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U X A 1 10/28/1 N 7318152000 2929
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DF N SF9SX-V F
DS N I
DN 9B----- N
Demilitarization Codes & Management
DML PMI HMIC ADP CC ESDC
A U N X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DF SMS D 1 EA 0 U SF9SX-V F
DN SMS D 1 EA 0 U 9B----- N
DS SMS D 1 EA 0 U D
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
104520 Z 54850 W 713 Z 9 A B Z BOLTS/NUTS/SCREWS NOI I/S