3020-01-493-7440 CHAIN ASSEMBLY,ROLLER Index 3020-01-493-7442 GEAR-SLIP CLUTCH,SPUR

National Stock Number:
5310-01-493-7441

Federal Supply Class:
5310

National Item Identification Number:
014937441

Description:
NUT,PLAIN,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. 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. See also NUT (1) SELF-LOCKING, BLIND RIVET. Excludes NUT (1), SLEEVE.


Manufacturer Information:
S25B271CSI0VK23BOLLHOFF RIVNUT., INC. FASTENING AND ASSEMBLY TECHNOLOGY DBA BOLLHOFF RIVNUT., INC. DIV BOLLHOFF RIVNUT., INC.
S25B271CSI3H464BOLLHOFF INC.
SC-D-681080-4180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEFLAT COUNTERSUNK
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
SHANK END TYPECLOSED
THREAD SERIESUNC
NOMINAL THREAD SIZE0.250 INCHES
MATERIALSTEEL COMP 1108 AND
STEEL COMP 1110 OVERALL
THREAD QUANTITY PER INCH20
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATION66,C1108 FED STD 1ST MATERIAL RESPONSE OR
66,C1110 FED STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND
PHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NUT DIAMETER0.529 INCHES NOMINAL
NUT LENGTH1.021 INCHES MINIMUM AND
1.051 INCHES MAXIMUM
HEAD DIAMETER0.328 INCHES MINIMUM AND
0.332 INCHES MAXIMUM
HEAD COUNTERSINK ANGLE99.00 DEGREES MINIMUM AND
101.00 DEGREES MAXIMUM


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