Mfg Part Number: B18 2 1 TABLE 4 SIZE 1 4
Alternate P/N: B1821TABLE4SIZE14
NSN : 5305-00-543-5056
NIIN : 005435056
CAGE Code : 80204
Manufacturer: American National Standards
Item Name : Screw Cap Hexagon H Screw Cap Hexagon H
FSC : 5305 Screws
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MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 2A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
AASK | HEAD STYLE | HEXAGON |
AASU | HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429,GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A449,GRADE 5,UNS K04200 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CADMIUM OVERALL OR CHROMATE ZINC OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |
ZZZK | SPECIFICATION/STANDARD DATA | 81348-FF-S-85 GOVERNMENT SPECIFICATION AND 96906-MS35292/CANCELLED/ GOVERNMENT STANDARD AND 24617-123308 MANUFACTURERS STANDARD AND 80204-ANSI B18.2.1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE AND 1/4IN. SIZE |
ZZZW | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY CADMIUM OR ZINC SURF. TREAT |
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