Fed. Std. No. MB
December31. 1970
SUPERSEDING
Int.Fed, Std. No. 0048A(GSA-FSS)
k 2, 1969-
Fed. Std.
No. 48
Jmusry 13, 1954
FEDERALSTANDARD
TOLERANCESFOR STEEL WROUGHTPRODUCTS,
AND FOR CENTRIFU
GALLY CAST STEEL
Authority.
This standardis issued
pursuantto the Federal -
~s tiativeSexwicesAct of 1949,as amended,ad its application
to the purchaseof commocUtiesreferredto herein U be sandatiry
on SU Feciersiagencies.
S1 .
&E&’
This standardcoversWnmsionsl and
finishedbulk items (see see, s~~1 for excl=ions)G
~~* ~“
The purpose o: this stendsrdis to
stmdards of commonrequirementsthat may be otitted
metal producti.
S3
O Industrvstandardiden
tification.
weight tolerancesfor steel, semifinishedand
protidewhere possiblea list of itius~
from the detail speci??icationsfor applicable
S3.7 Revisionof industm stand
ards.
Revisionof lndus+~ stardardswill be coofiinatedd when
acceptedby the Guvemment,
a chsngenotice to this standardwill be issued.
S~.1.1 Referencb
of indwm
stend&u’@
The issue h effect of industrystandardsacceptedh
tis standardshouidbe referenceddtiectly~ the requirementin the det~ specificationmd not by
cross-referenceto this standard.
s~* QUUSS”
When a Federal agency considersthat
this stadd
does not ~ovide for its essenti
needs,writtenrequest for changingor adding to the stamhrd, supportedby adequatejustification,
ahdl be sent to the Adxhristration.
This justificationshaU. eqldn whereinthe standarddoes not
providefor essentislneeds.
The requestshaU be sent in duplicateto the Genwel ServicesAdminis-
tration,FederalSupply Sefice, StandardizationDitision,Washington,D.C. 20406.
The Administration
till detemine the appropriateactionto be taken and will notMy the agency.
S5. Confrlictwith referencedswcU’ications.
Where the requirementsstated in this stamiardccn-
flict uitr.any requirementh a referencedspecfiication,the requirementsof the standardSLSM apply.
Nature of conflictbetween the standardend the referencedspecificationshall be mkmitted in dup-
licate to the GeneralServices Administration,Federal SupplySenfice,S~amlization Divisior.,
Msskbgton, D.C. 20406.
S6.-NOTE.
s6.7 ticlusions. Tolerancesfor steel forgings,
amd tool steelsare excludedfrom this sterxhwd.
Tolerancesfor steel ca9tingsthat are statictiy cast, or caat by methodsother than centZ”ifugeUY
cast about a horizontal-S are also includedfrom this starxiard.
S6.2 Nonenclatur
e. Mmenclature of itenm used in Federal documentsshall conform b the Federal
CatalogSystem@ given and definedin CatalogingHandbookH6-1.
A colloquialname is used in this
documentwhere a singleapprovedname is not sufficient.
-—
FSC L71C
950()
9646
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