MIL-SPEC · Electronic Components
NAS509L12
NUT,PLAIN,HEXAGON — NSN 5310-00-725-0397
Part NumberNAS509L12
ManufacturerMIL-SPEC
AvailabilityIn stock — ships fast
Specifications
NSN5310-00-725-0397 (NSN)
Federal Item NameNUT,PLAIN,HEXAGON
MaterialSTEEL COMP 4130 OVERALL
Nominal Thread Size0.750 INCHES
Surface Treatment Document And ClaQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Type And Quantity3 DRILLED
Hole Configuration StyleCONFIGURATION B
Thread SeriesUNF
Thread Quantity Per Inch16
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Thread DirectionLEFT-HAND
Nut Height0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM
Federal Supply Class5310 — Nuts And Washers
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 NAS509L12 in stock?
Yes — NAS509L12 is in our stock database. Request a quote for current pricing and lead time.
Is NAS509L12 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NAS509L12 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 NAS509L12?
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 NAS509L12?
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.