SAE J2271_200905 PDF

Ship Systems and Equipment—Part Standard for Studs—Continuous and Double End (Inch Series)

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Description

This SAE Parts Standard provides dimensional and quality assurance requirements for studs in the following configurations in standard materials used for ship system applications:

a
Continuous thread studs in UNRC and 8UNR series in the following threads and diameters:

UNRC threads (1/4 through 4 inches)

UNRF threads (1/4 through 1-1/2 inches)

8UNR threads (1-1/8 through 4 inches)

b
Double end studs (clamping type) where both ends are of the same minimum thread length in the following threads and diameters:

UNRC threads (1/4 through 4 inches)

UNRF threads (1/4 through 1-1/2 inches)

8UNR threads (1-1/8 through 4 inches)

Different thread forms on each end are permissible.

c
Double end studs (tap end type) where the tap end thread length is equivalent to 1-1/2 nominal diameters:

Tap End Thread Forms and Diameters
Nut End Thread Forms and Diameters

NC-5 interference-fit tap end threads (1/4 through 1-1/2 inches)

UNRC threads (1/4 through 4 inches)

UNRF threads (1/4 through 1-1/2 inches)

8UNR threads (1-1/8 through 4 inches)

8UNR threads (1-1/8 through 4 Inches)

History

J2271_200905	2009-05-04	Latest	Revised
J2271_200901	2009-01-23	Historical	Revised
J2271_200406	2004-06-21	Historical	Reaffirmed
J2271_199606	1996-06-01	Historical	Issued

ISSUING COMMITTEE	Ship Systems – Fasteners Committee
DATE	2009-05-04
DOI	https://doi.org/10.4271/J2271_200905
ISCURRENT	Current
PAGE	31
PUBLISHER	SAE International
REVISED	REVISED