Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-00-483-9491 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: H296494, H29649-4, STSCD00708, STSCD007-08, L55LHEB220048, L55LHEB220-048, 68457428, 68457-428, 5310-00-483-9491, 00-483-9491, 5310004839491, 004839491

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 30 MAY 1969 00-483-9491

Drawings & Photos | NSN 5310-00-483-9491


Demand History | NSN 5310-00-483-9491

Part Number Request Date QTY Origin
68457-428 2019-05-137 3656 DIBBS
H29649-4 2019-05-137 3656 DIBBS
5310-00-483-9491 2017-11-306 3656 DIBBS
5310-00-483-9491 2017-02-51 1989 DIBBS
STSCD00708 2012-01-17 240 United States
5310-00-483-9491 2010-04-113 522 DIBBS
5310-00-483-9491 2010-04-106 542 DIBBS
5310-00-483-9491 2008-11-330 1564 DIBBS

Cross Reference | NSN 5310-00-483-9491

Part Number Cage Code Manufacturer
68457-428 56878 SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
H29649-4 15653 ALCOA GLOBAL FASTENERS, INC.
L55LHEB220-048 019L2 MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
L55LHEB220-048 72962 HARVARD INDUSTRIES INC
STSCD007-08 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5310-00-483-9491

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 3140 OR STEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AISI3140 ASSN STD SINGLE MATERIAL RESPONSE OR AISI8740 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING 30.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.460 INCHES MAXIMUM
OVERALL HEIGHT 0.359 INCHES MAXIMUM
WASHER THICKNESS 0.043 INCHES NOMINAL
WIDTH ACROSS FLATS 0.362 INCHES MINIMUM AND 0.377 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERSINK ANGLE ANY ACCEPTABLE NUT
LUBRICATION SOLUBLE LUBRICANT
TEMP RATING -65.0 DEG FAHRENHEIT MINIMUM AND 450.0 DEG FAHRENHEIT MAXIMUM

Restrictions/Controls & Freight Information | NSN 5310-00-483-9491

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 658 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable