5310-01-231-3277 NUT,PLAIN,HEXAGON Index 5310-01-231-3279 NUT,PLAIN,EXTENDED WASHER,HEXAGON

National Stock Number:
5310-01-231-3278

Federal Supply Class:
5310

National Item Identification Number:
012313278

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:
MS27130-A33K96906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HEAD HEIGHT0.058 INCHES NOMINAL
HEAD DIAMETER0.460 INCHES MINIMUM AND 0.490 INCHES MAXIMUM
HEAD STYLEFLAT KEYED
KEY LENGTH0.035 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B316 ASSN STD 1ST MATERIAL RESPONSE OR QQ-A-430 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/8 FED SPEC 3RD MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 6053 OR ALUMINUM ALLOY 5056 OR ALUMINUM ALLOY 6061 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT DIAMETER0.328 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
NUT LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
SHANK END TYPEOPEN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-8625 TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)


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