Monroe
Monroe
399 East Drive
Melbourne, FL 32904
Phone: 877.920.1876 • Fax: 321-727-7331
Email: aerosales@askmonroe.com Cage Code: 0WTF7
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Flush Reduced Head Bolt - Length: 0.778", Thread: 1/4-28, Shear 100°, Flush Reduced Head Bolt, Alloy Steel, Offset Cruciform

Detail Characteristic
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
FASTENER LENGTH0.763 INCHES MINIMUM AND 0.793 INCHES MAXIMUM
GRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
HARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
HEAD STYLEFLAT COUNTERSUNK
INTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
MATERIALSTEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.250 INCHES
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNJF
THREAD QUANTITY PER INCH28
SPECIFICATION/STANDARD DATA80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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Unit of Measure

Specifications

Inventory

 N/A {0}

Estimated Ship Date

 N/A {N/A}

Inventory Note

 N/A Need additional stock? Call (877) 920-1876 or email

Weight

 N/A 0.01 lb

NSN

 N/A 5305-01-056-3204

NIIN

 N/A 01-056-3204

Part # Unpunctuated

 N/A NAS1581F4T6

Minimum Order Note

 N/A Minimum order is 25. Must order in increments of 1.

Country of Origin

 N/A USA

Note

Note

 N/A Our inventory is extensive. The majority of the items listed in our catalog are stocked and available for immediate shipment.

California Residents

 N/A Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.