NSN 5310-00-943-2490, 5310009432490 Details - Washer Key Parts List

Item Name Washer Key
Federal Supply Group (FSG) Hardware and Abrasives
Federal Supply Class (FSC) 5310 Nuts and Washers
National Item Identification Number (NIIN) 00-943-2490 (009432490)
NCB Code USA (00)

Technical Characteristics of NSN 5310009432490

MRCCriteriaCharacteristic
AAUBHOLE DIAMETER0.315 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
ABKVOUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
ABKYEXTERNAL PREBENT KEY LENGTH0.085 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
ABLDEXTERNAL TAPERED KEY WIDTH0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
ABLFEXTERNAL PREBENT KEY WIDTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
ABLSDISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM
ABLXOVERALL DISTANCE INCLUDING KEYS0.740 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
ABMMSPLIT KEY LENGTH0.145 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
ABMQEXTERNAL KEY QUANTITY2
ABPXMATERIAL THICKNESS0.027 INCHES MINIMUM AND 0.035 INCHES MAXIMUM
CSFWANGLE BETWEEN EXTERNAL KEYS58.0 DEGREES MINIMUM AND 62.0 DEGREES MAXIMUM
CSKNEXTERNAL PREBENT KEY ANGLE30.0 DEGREES NOMINAL
MATTIII MATERIALSTEEL COMP 321 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLSTYLE DESIGNATORKEY

  Relevant Components for NSN - 5310-00-943-2490, 5310009432490

5305-00-000-0094 (5305000000094) 5305-00-001-1366 (5305000011366) 5305-00-001-1367 (5305000011367) 5305-00-001-1568 (5305000011568)
5305-00-001-1569 (5305000011569) 5305-00-001-1837 (5305000011837) 5305-00-001-1918 (5305000011918) 5305-00-001-1926 (5305000011926)
5305-00-001-1948 (5305000011948) 5305-00-001-1963 (5305000011963) 5305-00-001-2011 (5305000012011) 5305-00-001-2012 (5305000012012)

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