CRIMPED TERMINATIONS
BUTT SPLICES
butt splices
BUTT SPLICES

Butt splices are used to dress and terminate multiple conductors of the same or different gauges in an end-to-end or series configuration.

See Section 2.01 "Crimped Terminations - General Requirements" for common accept/reject criteria.

insulated single crimp insulated dual crimp

PREFERRED

SINGLE CRIMP INSULATED

The contact has been deformed only by tool indenters. Indents are symmetrical and centered on the crimp barrel. No exposed base metal or other damage. Wire strand ends are visible. Proper insulation spacing (C).

NASA-STD-8739.4 [19.6.1.c]

PREFERRED

DUAL CRIMP INSULATED

The contact has been deformed only by tool indenters. Indents are symmetrical and properly located. Insulation crimp is properly set, providing appropriate strain relief. Wire strand ends are visible. Proper insulation spacing (C).

NASA-STD-8739.4 [19.6.1.c]

uninsulated crimp

PREFERRED

UNINSULATED

The contact has been deformed only by tool indenters. Indents are symmetrical and centered on the crimp barrel. No exposed base metal or other damage. Wire strand ends are visible. Proper insulation spacing (C).

NASA-STD-8739.4 [19.6.1.c]

NASA WORKMANSHIP STANDARDS
NASA logo Released:
03.30.2001
Revision:
Revision Date:
Book:
2
Section:
2.07
Page:
1





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