4210-01-469-9876 NOZZLE,FIRE EXTINGUISHER Index 8345-01-469-9878 STREAMER,AWARD

National Stock Number:
5305-01-469-9877

Federal Supply Class:
5305

National Item Identification Number:
014699877

Description:
SCREW,PANEL FASTENER

Detail:
A headed, threaded fastening device with special square threads, which is designed to be attached to a panel by means of a retaining washer. The screw fastener is used in conjunction with a speed nut to facilitate fastening two items.


Manufacturer Information:
6387525-353711NAVAL SEA SYSTEMS COMMAND
FTP7066-HS-12-3-2.558794FASTENER TECHNOLOGY CORP


Techincal Specification:
THREAD SERIES DESIGNATORUNJF
NOMINAL THREAD DIAMETER0.2500 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD LENGTH0.202 INCHES NOMINAL
FASTENER LENGTH0.452 INCHES NOMINAL
MATERIALIRON ALLOY 660 OVERALL
STEEL COMP 304 STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5737 ASSN STD 1ST MATERIAL RESPONSE OVERALL
QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE STAND-OFF
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL
HEAD DIAMETER0.492 INCHES NOMINAL
HEAD HEIGHT0.247 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.1875 INCHES MINIMUM AND
0.1900 INCHES MAXIMUM
SPECIAL FEATURESTHREADS PER MIL-S-8879


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