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WF%%;? 977
SNPERSSOING
MIL-X-20693A
8
April1960
MILITARYSPECIFICATION.
MOLDING PL4STIC, POLYAMIDE (~ON), RIG~
This
specificationis approvedforuse by all Depart-
msnt~ and Agenciesof the
Department of Defense.
1. SCOPE
1.1 ~. This specification covers rigid polyamide (nylon) molding plastic
to be used for general-purpose, weather-resistant, and dielectric applications.
(See 6.1 to 6.1.3, inclusive.)
1.2 Classification. The IIY1OIIplastic covered by this specification shall be
of the following compositions and types, and as specified (see 6.2):
Composition A - Polyhexamethyleneamide(see 6.1):
~e 1 - General purpose
Type 1A - General
purpose,heatstable.
TYpe
II - Weather resistant
Type 111 - 3KW wster absorption
Composition B - Polycapro3actsm (see 6.1):
Types IV and IVA - General p.rpese
Yype V - Weather resistant
Composition C - Polyundecanoamide (see 6.1):
TYPe VI - low water absorption, general purpose
Type VIA - Low water absorption, heat stable.
Type VIB - Weather resistant, Black
1.2.1 u. Type 111, VI, VIA, & VIB nylon plastic shall also be classifled
as grade E when ‘controlof its electrical properties are required (see 3.2.2 and 6.2).
2. APPLICABLE DOCUMStWS
2.1 Issues of documents. The followins documents, of the issue in effect
on date
of invitation for bids or request for proposal, form a part of this specification t.
the extent specified herein.
SPECIFICATIONS
FEOBSAL
W-I-530 -
Insulating 011, Electrical (for Transformers, Switches. and Cir.uit
Breakersj.
Beneficial comments (recammer.daticvm,additions, deletions) and any
pertinent data “hi.shmay be of use 1. ~proving this document should
be addreseed
to
:
(TM
A
rm
y
Electronics Command, ATTN: DRSSL-RD-TS-S
Fort Monmouth, N.J.
07703) by using the eelf-addreesed Standardization
Document Improvement Propoeal (DD Form 1426) appearing at the e“d of
this document or by letter.
Fsc 9330
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