Product Details | DOUBLE HEXAGON EXTENDED WASHER SELF-LOCKING NUT

5310-01-355-0218 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: DAA3139P002103, DAA3139P002-103, 5310-01-355-0218, 01-355-0218, 5310013550218, 013550218

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 10 MAR 1992 01-355-0218

Drawings & Photos | NSN 5310-01-355-0218


Cross Reference | NSN 5310-01-355-0218

Part Number Cage Code Manufacturer
DAA3139P002-103 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 5310-01-355-0218

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.250 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL IRON ALLOY 660 NUT IRON ALLOY 660 WASHER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE NUT AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE WASHER
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A293 DOUBLE HEXAGON
WASHER OUTSIDE DIAMETER 0.560 INCHES MAXIMUM
OVERALL HEIGHT 0.312 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
WASHER THICKNESS 0.072 INCHES MINIMUM AND 0.087 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
COUNTERBORE DIAMETER 0.342 INCHES MINIMUM AND 0.352 INCHES MAXIMUM NUT
LUBRICATION DRY FILM LUBRICANT
TEMP RATING NOT RATED

Restrictions/Controls & Freight Information | NSN 5310-01-355-0218

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:AItem does not contain precious metal
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

Management | NSN 5310-01-355-0218

Category Code Description
Materiel Management Aggregation CodeBQTN:B-2 TSSP, NORTHROP GRUMMAN
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Budget CodeS 1557X3010:Aircraft Replenishment Spares
Source of SupplyF59Northrop Grumman IS ACS
2501 Liberty Parkway, Suite 101
Midwest, OK 73110-2885
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative