FF-S-92D
8 JUN 2020
SUPERSEDING
FF-S-92C
w/ AMENDMENT 1
5 MAY 2015
FEDERAL SPECIFICATION
SCREW, MACHINE, SLOTTED, CROSS-RECESSED OR 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 slotted, cross-recessed and hexagon head machine
screws.
1.2 Classification.
1.2.1 Type and style. Machine screws may be of the following types and styles (see 6.2).
Type I - Slotted (see figure 1).
Style 6s - Oval head, 82°
Style 10s - Hexagon head drilled
Type II - Hexagon, Plain (see figure 1).
Style 10p - Hexagon
Type III - Cross-Recessed, Recess Designs I and II (see figure 2).
Note: Use of cross-recess design II is not recommended.
1.2.2 Size. Machine screws shall be classified according to size by the nominal diameter of the
body.
AMSC N/A FSC 5305
INCH-POUND
Comments, suggestions, or questions on this document should be addressed to DLA Troop
Support - Industrial Hardware Division (ATTN: Code FHTE), 700 Robbins Avenue, Philadelphia, PA
19111-5096 or email trpsptspecspa@dla.mil. Since contact information can change, you may want
to verify the currency of this address information using the ASSIST Online database at
https://assist.dla.mil .
Downloaded from http://www.everyspec.com
