MIL-SPEC · Electronic Components
5310-01-073-3048
WASHER , KEY
Part Number5310-01-073-3048
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5310-01-073-3048 (NSN)
Federal Item NameWASHER,KEY
MaterialSTEEL COMP 1117 OR STEEL COMP 1215 OVERALL
Overall Distance Including Keys3.500 INCHES NOMINAL
Style DesignatorKEY
Surface Finish32.0 MICROINCHES TOP; 32.0 MICROINCHES BOTTOM
Material Document And ClassificatiQQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL
Material Thickness0.105 INCHES NOMINAL
External Straight Key Width0.500 INCHES NOMINAL
Outside Diameter3.000 INCHES NOMINAL
External Key Quantity2
Hole Diameter2.300 INCHES NOMINAL
Federal Supply Class5310 — Nuts And Washers
Cross Reference12283213
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 5310-01-073-3048 available?
We can source 5310-01-073-3048 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 5310-01-073-3048 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 5310-01-073-3048 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 5310-01-073-3048?
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 5310-01-073-3048?
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.