5310-00-279-4284 ( BFN442-4-6 , F18427-6-4 , F49251-4-6 , F49251E4-6 , ST3M442-4A6 , F18427-6-4 , F18427L6-4 , F18427L6-4 , ST3M442-4A6 , NS202042-048-6 , F49251E4-6 , L6-4 )

NSN Information
NSN FSC NIIN Item Name INC
5310-00-279-4284 5310 002794284 NUT,SELF-LOCKING,PLATE 0528
NSN Features
MRC Parameter Characteristics
CQJX NOMINAL THREAD SIZE 0.250 INCHES
ZZZK SPECIFICATION/STANDARD DATA 76301-ST3-442 MANUFACTURERS STANDARD
SFTT SURFACE TREATMENT PASSIVATE SHELL
MATT MATERIAL STEEL CORROSION RESISTING CLIP
ACVN NUT LENGTH 1.306 INCHES MAXIMUM
ABTB MOUNTING HOLE DIAMETER 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
ADFW DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
CQFM HARDNESS RATING NOT RATED
CMLP THREAD QUANTITY PER INCH 28
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SHELL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE SHELL
MATT MATERIAL IRON ALLOY 660 SHELL
AAJF THREAD DIRECTION RIGHT-HAND
ACTA NUT STYLE PLATE
ADEA NUT HEIGHT 0.600 INCHES MAXIMUM
AAJD THREAD CLASS 3B
AZKQ TEMP RATING NOT RATED
ADFY CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
ABAJ LUBRICATION DRY FILM LUBRICANT
ADFK NUT COUNTERBORE DEPTH 0.375 INCHES MINIMUM NUT
AAWY COUNTERBORE DIAMETER 0.254 INCHES MINIMUM NUT
ADFU MOUNTING HOLE ARRANGEMENT STYLE 2 HOLES
ADFP NUT MOUNTING PROVISION STRAIGHT HOLES
BZRR THREAD SERIES UNJF
ADEB PLATE THICKNESS 0.028 INCHES MINIMUM AND 0.036 INCHES MAXIMUM
CBBL FEATURES PROVIDED FLOATING NUT
ADEC PLATE WIDTH 0.574 INCHES NOMINAL
MATT MATERIAL IRON ALLOY 660 NUT
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
BFN442-4-6 27238 A 2 3 5 KZ
F18427-6-4 72962 R 9 5 E KZ
F49251-4-6 15653 A 9 5 5 SB
F49251E4-6 15632 A 2 3 1 KE
ST3M442-4A6 76301 A 2 7 1 KZ
F18427-6-4 019L2 A 1 C 9F 5 ZZ
F18427L6-4 72962 R 9 5 5 KZ
F18427L6-4 019L2 A 1 C 9F 5 ZZ
ST3M442-4A6 52828 A 2 5 5 ZZ
NS202042-048-6 80539 A 2 3 1 KE
F49251E4-6 15653 A 2 3 5 ZZ
L6-4 15746 A 9 5 1 KE
Manufacturers
Part SKU Cage Manufacturer Type Status
BFN442-4-6 27238 BRISTOL INDUSTRIES A A
F18427-6-4 72962 HARVARD INDUSTRIES INC A R
F49251-4-6 15653 ALCOA GLOBAL FASTENERS INC. A A
F49251E4-6 15632 SHIELD AIR CO A A
ST3M442-4A6 76301 BOEING COMPANY THE F A
F18427-6-4 019L2 MAC LEAN-FOGG COMPANY A A
F18427L6-4 72962 HARVARD INDUSTRIES INC A R
F18427L6-4 019L2 MAC LEAN-FOGG COMPANY A A
ST3M442-4A6 52828 REPUBLIC FASTENER MFG. CORP. A A
NS202042-048-6 80539 SPS TECHNOLOGIES LLC A A
F49251E4-6 15653 ALCOA GLOBAL FASTENERS INC. A A
L6-4 15746 JSJ CORPORATION A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
A X A 1 08/31/1 N 7318160000 0528
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 A N X
Miscellaneous Management
MOE (S_A) SOS AAC QUP UI SLC CIIC RC MCC SVC
DF SMS D A EA 0 U SF9SX-V F
DN SMS D A EA 0 U 9B----- N
DS SMS D A 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
093486 Z 48950 Z 573 Z 9 A B Z BOLTS,NUTS OR SCREWS, NOI (SUB 3)