Northrop Grumman Systems Corporation · Electronic Components
903258-4
Contact, Electrical
Part Number903258-4
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-115-4073 (NSN)
Federal Item NameCONTACT,ELECTRICAL
Federal Supply Class5999 — Miscellaneous Electrical Components
Mounting MethodTERMINAL
Pin Accommodation Length0.166 INCHES MINIMUM
Terminal Type And Quantity1 PIN AXIALLY AT ONE END
Precious MaterialGOLD
Precious Material And LocationBODY AND CONTACT SURFACES GOLD
Surface Treatment Document And ClaMIL-G-45204,TYPE 2,GRADE C,CLASS 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290 CLASS 2 FED SPEC 2ND TREATMENT RESPONSE
Style DesignatorCYLINDRICAL SHAPE
Surface TreatmentGOLD AND NICKEL BODY AND CONTACT
Overall Diameter0.094 INCHES NOMINAL
Pin Accommodation Diameter0.042 INCHES MINIMUM AND 0.044 INCHES MAXIMUM
Overall Length1.047 INCHES NOMINAL
Vendor Part Numbers031-1124-021, 318-2000-154
ESD/EMICode A — ESD/EMI sensitive item
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 903258-4 available?
We can source 903258-4 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 903258-4 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 903258-4 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 903258-4?
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 903258-4?
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.