FF-S-85D
10 MARCH 2005
SUPERSEDING
FF-S-85C
May 6, 1969
FEDERAL SPECIFICATION
SCREW, CAP, SLOTTED AND HEXAGON HEAD
The General Services Administration has authorized the use
of this federal specification by all Federal agencies.
1. SCOPE AND CLASSIFICATION
1.1 Scope
. This specification covers the types and styles of slotted
and hexagon head cap screws, classified in 1.2.1 (see 6.1).
1.2 Classification
.
1.2.1 Types and styles
. Cap screws shall be of the following types and
styles(see 6.2).
Type I - Slotted head.
Style 1s - Round head (see fig. 5)
Style 2s - Flat countersunk head, 82º (see fig. 5).
Style 4s - Fillister head (see fig. 5).
Type II - Plain head.
Style 10p - Hexagon head (see fig. 5).
1.2.2 Grades
. Cap screws of steel material shall be of the following
grades(see 6.2).
Grade 2 - Low carbon steel.
Grade 5 - Medium carbon steel.
Grade 8 - Alloy steel.
Grade 9 - Optional alloy steel.
1.2.3 Sizes
. The sizes of cap screws shall be classified by the nominal
body diameter from 1/4 inch thru 3 inches as specified (see 6.2).
2. APPLICABLE DOCUMENTS
2.1 Government Publications
. The following documents of the issues in effect
on date of invitation for bids, or request for proposal, form a part of this
specification to the extent specified herein.
Comments, suggestions, or questions on this document should be addressed to: Defense
Supply Center Philadelphia, ATTN: DSCP-ITAA, 700 Robbins Avenue, Philadelphia, PA
19111-5096 or emailed to dscpg&ispeccomments@dla.mil
. Since contact information can
change, you may want to verify the currency of this address information using the ASSIST
Online database at http://assist.daps.dla.mil
.
ASMC N/A FSC 5305
INCH-POUND
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