5310-00-782-7556 ( MS21056L4K , T7C428BCM , K3001-4BC , 12720E-048BC , K3001-4BC , RMLHTA55-2860-048BC , R3000C4MK , 12720E-048BC , RMLHTA55-2860-048BC , MS21056L4K )

NSN Information
NSN FSC NIIN Item Name INC
5310-00-782-7556 5310 007827556 NUT,SELF-LOCKING,PLATE 0528
NSN Features
MRC Parameter Characteristics
CQJX NOMINAL THREAD SIZE 0.250 INCHES
ADFK NUT COUNTERBORE DEPTH 0.062 INCHES MINIMUM NUT
AZKQ TEMP RATING 450.0 DEG FAHRENHEIT NOMINAL
ABTB MOUNTING HOLE DIAMETER 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ADFW DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 28
ADFP NUT MOUNTING PROVISION COUNTERSUNK HOLES
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 49.0 ROCKWELL C MAXIMUM
ACVN NUT LENGTH 0.852 INCHES MAXIMUM
ACTA NUT STYLE PLATE
MATT MATERIAL IRON ALLOY 660 OVERALL
AAJD THREAD CLASS 3B
ABAJ LUBRICATION DRY FILM LUBRICANT
AAWY COUNTERBORE DIAMETER 0.254 INCHES MINIMUM NUT
CSSM MOUNTING HOLE COUNTERSINK ANGLE 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM
ADFU MOUNTING HOLE ARRANGEMENT STYLE 2 HOLES
ADFR MOUNTING PROVISION LOCATION OPPOSITE NUT PROJECTION SIDE
ADEB PLATE THICKNESS 0.055 INCHES MAXIMUM
BZRR THREAD SERIES UNJF
ADEA NUT HEIGHT 0.281 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL
AAUM LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
Manufacturing Part Numbers (SKUs)
Part SKU Cage Status RNVC RNCC SADC DAC RNAAC
MS21056L4K 96906 M 9 5 E SB
T7C428BCM 11815 A 9 5 5 KZ
K3001-4BC 15653 A 2 5 4 KZ
12720E-048BC 80539 A 2 5 4 KZ
K3001-4BC 75237 A 9 5 4 KZ
RMLHTA55-2860-048BC 72962 R 9 5 4 KZ
R3000C4MK 52828 A 2 5 5 KZ
12720E-048BC 56878 A 9 5 4 KZ
RMLHTA55-2860-048BC 019L2 A 2 5 5 ZZ
MS21056L4K 80205 A 2 3 1 ZZ
Manufacturers
Part SKU Cage Manufacturer Type Status
MS21056L4K 96906 MILITARY STANDARDS A M
T7C428BCM 11815 SPS TECHNOLOGIES LLC A A
K3001-4BC 15653 ALCOA GLOBAL FASTENERS INC. A A
12720E-048BC 80539 SPS TECHNOLOGIES LLC A A
K3001-4BC 75237 ALCOA GLOBAL FASTENERS INC. A A
RMLHTA55-2860-048BC 72962 HARVARD INDUSTRIES INC A R
R3000C4MK 52828 REPUBLIC FASTENER MFG. CORP. A A
12720E-048BC 56878 SPS TECHNOLOGIES LLC A A
RMLHTA55-2860-048BC 019L2 MAC LEAN-FOGG COMPANY A A
MS21056L4K 80205 NATIONAL AEROSPACE STANDARDS A A
FLIS Identification
PMIC ADPE Code CRITL Code DEMIL Code DEMIL INTG NIIN Asgt ESD HMIC ENAC Schedule-B INC
U X A 1 10/19/1 N 7318160000 0528
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DS N I
DF N SF9SX-V F
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
DS SMS J M EA 0 U D
DF SMS J M EA 0 U SF9SX-V F
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
013540 X 05680 Q 713 Z 9 A B Z ALUM NUTS