Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-941-0209 A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: Z6630048, Z6630-048, Z6630048K, Z6630-048K, 490271, 5310-00-941-0209, 00-941-0209, 5310009410209, 009410209

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 11-DEC-65 00-941-0209

Drawings & Photos | NSN 5310-00-941-0209


Cross Reference | NSN 5310-00-941-0209

Part Number Cage Code Manufacturer
490271 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
490271 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
490272 26212 NOW CORP MODERN MFG DIV
490272 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
490272 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
59872-428 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
Z6630-048 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
Z6630-048K 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA

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Technical Data | NSN 5310-00-941-0209

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3BG
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 573 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT SILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.443 INCHES MAXIMUM
OVERALL HEIGHT 0.396 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
WASHER THICKNESS 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
TEMP RATING 1200.0 DEG FAHRENHEIT NOMINAL
III PRECIOUS MATERIAL SILVER
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 490271

Restrictions/Controls & Freight Information | NSN 5310-00-941-0209

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:SItem contains silver
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information