5310-01-352-8801 ( KFN526L-4 , KFN526DL-4 , BH137M4 , 03A137-4L , KFN526DL-4 , KFN526L-4 , KFN526L-4 , KFN526L-4 , 03A137-4L , KFN526L-4 , KFN526DL-4 , KFN526DL-4 )

NSN Information
NSN FSC NIIN Item Name INC
5310-01-352-8801 5310 013528801 NUT,SELF-LOCKING,EXTENDED WASHER 2973
NSN Features
MRC Parameter Characteristics
ABKW OVERALL HEIGHT 0.340 INCHES NOMINAL
CQJX NOMINAL THREAD SIZE 0.250 INCHES
ASDB WIDTH ACROSS FLATS 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SFTT SURFACE TREATMENT DISULFIDE MOLYBDENUM OVERALL
ADEM WASHER THICKNESS 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CQFM HARDNESS RATING NOT RATED
CMLP THREAD QUANTITY PER INCH 28
AAJF THREAD DIRECTION RIGHT-HAND
AAJD THREAD CLASS 3B
AZKQ TEMP RATING NOT RATED
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS5731 ASSN STD SINGLE MATERIAL RESPONSE WASHER OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE NUT OR AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE NUT OR AMS 5736 ASSN STD SINGLE MATERIAL RESPONSE NUT
ACTA NUT STYLE HEXAGON
MATT MATERIAL IRON ALLOY 660 WASHER
AAVX WASHER OUTSIDE DIAMETER 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE WASHER
BZRR THREAD SERIES UNJF
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
KFN526L-4 17446 A 9 5 5 ZZ
KFN526DL-4 15653 A 2 3 E ZZ
BH137M4 27238 A 2 5 5 ZZ
03A137-4L 1W025 A 2 3 5 ZZ
KFN526DL-4 92215 A 2 5 5 ZZ
KFN526L-4 97928 R 9 5 5 ZZ
KFN526L-4 56878 A 9 5 5 ZZ
KFN526L-4 15653 A 9 5 5 ZZ
03A137-4L 76823 A 2 5 A KZ
KFN526L-4 92215 A 9 5 5 KZ
KFN526DL-4 80539 A 2 5 5 ZZ
KFN526DL-4 17446 A 2 5 5 ZZ
Manufacturers
Part SKU Cage Manufacturer Type Status
KFN526L-4 17446 HUCK INTERNATIONAL INC. A A
KFN526DL-4 15653 ALCOA GLOBAL FASTENERS INC. A A
BH137M4 27238 BRISTOL INDUSTRIES A A
03A137-4L 1W025 NORTHROP GRUMMAN SYSTEMS CORPORA F A
KFN526DL-4 92215 ALCOA GLOBAL FASTENERS INC. A A
KFN526L-4 97928 HUCK INTL INC A R
KFN526L-4 56878 SPS TECHNOLOGIES LLC A A
KFN526L-4 15653 ALCOA GLOBAL FASTENERS INC. A A
03A137-4L 76823 NORTHROP GRUMMAN SYSTEMS CORPORA F A
KFN526L-4 92215 ALCOA GLOBAL FASTENERS INC. A A
KFN526DL-4 80539 SPS TECHNOLOGIES LLC A A
KFN526DL-4 17446 HUCK INTERNATIONAL INC. 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 02/01/1 N 7318160000 2973
FLIS Management
MOE REC Rep Code Mgmt Ctl USC Phrase Code Phrase Statement
DS N I
DF N SF9SX-N F
DN 9B----- N V DISCONTINUED W/O REPLACEMENT
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
DN SMS V 0 EA 0 U 9B----- N
DS SMS Z 0 EA 0 U D
DF SMS Z 0 EA 0 U SF9SX-N 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
104520 Z 54850 W 576 Z 9 A B Z BOLTS/NUTS/SCREWS NOI I/S