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National Stock Number:
5310-01-339-3203
Federal Supply Class:
5310
National Item Identification Number:
013393203
Description:
NUT,SELF-LOCKING,BLIND RIVET
Detail:
A METALLIC HEADED FASTENER HAVING INTERNAL THREADS FOR A PORTION OF THE FULL LENGTH. IT MAY HAVE A SMOOTH, HEXAGON OR SPLINED SHANK WITH AN OPEN OR CLOSED END. IT IS DESIGNED TO BE EXPANDED TIGHTLY AGAINST THE MATERIAL IT IS BEING INSTALLED IN BY MEANS OF A SPECIAL TOOL. THE ITEM MUST HAVE A SPECIFIED GRIP RANGE. THE GRIP RANGE IS THE THICKNESS OF THE MATERIAL THE ITEM IS BEING INSTALLED IN. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.
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Manufacturer Information:
| 3M1172C6-4 | 76301 | THE BOEING COMPANY | | MT302C6-4 | 84256 | AVIBANK MFG., INC. |
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Techincal Specification:
| 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 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | ALUMINUM OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488,TY 2,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | NUT STYLE | BLIND RIVET W/SMOOTH ROUND SHANK | | NUT DIAMETER | 0.334 INCHES NOMINAL | | NUT LENGTH | 0.710 INCHES NOMINAL | | NUT GRIP RANGE | 0.245 TO 0.255 INCHES | | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN | | NUT COUNTERBORE DEPTH | 0.115 INCHES MAXIMUM FIRST END | | COUNTERBORE DIAMETER | 0.254 INCHES NOMINAL FIRST END | | HEAD STYLE | FLAT | | HEAD DIAMETER | 0.503 INCHES NOMINAL | | HEAD HEIGHT | 0.050 INCHES MINIMUM AND | | 0.055 INCHES MAXIMUM | | SHANK END TYPE | OPEN | | SPECIAL FEATURES | 0.189 IN. W BTWN FLATS,INTERNAL DRIVE |
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