Northrop Grumman Systems Corporation · Electronic Components
157C685H01
Insulator, Plate
Part Number157C685H01
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5970-01-341-9770 (NSN)
Federal Item NameINSULATOR,PLATE
Federal Supply Class5970 — Electrical Insulators
First Hole Diameter0.436 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
Second Hole Spacing1.000 INCHES NOMINAL
Fourth Hole Spacing7.850 INCHES MINIMUM AND 7.910 INCHES MAXIMUM
Fourth Hole Diameter0.436 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
Third Hole Diameter0.436 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
Overall Height0.030 INCHES NOMINAL
Fifth Hole Spacing5.140 INCHES MINIMUM AND 5.200 INCHES MAXIMUM
MaterialGLASS FIBER AND PLASTIC EPOXY OVERALL
Material Document And ClassificatiMIL-P-18177, TYPE GEE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorFLAT, RECTANGULAR
Third Hole Spacing7.940 INCHES MINIMUM AND 8.000 INCHES MAXIMUM
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 157C685H01 available?
We can source 157C685H01 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 157C685H01 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 157C685H01 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 157C685H01?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 157C685H01?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.