MIL-SPEC · Electronic Components
NAS1804-12
NUT,SELF-LOCKING,EXTENDED WASHER — NSN 5310-01-109-6057
Part NumberNAS1804-12
ManufacturerMIL-SPEC
AvailabilityIn stock — ships fast
Specifications
NSN5310-01-109-6057 (NSN)
Federal Item NameNUT,SELF-LOCKING,EXTENDED WASHER
MaterialSTEEL COMP H11 OR STEEL COMP 601 OVERALL
Overall Height0.750 INCHES MAXIMUM
Nominal Thread Size0.750 INCHES
Thread DirectionRIGHT-HAND
Nut StyleDOUBLE HEXAGON
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Counterbore Diameter0.750 INCHES MINIMUM AND 0.785 INCHES MAXIMUM NUT
Washer Thickness0.094 INCHES NOMINAL
Material Document And ClassificatiAMS 6487 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6403 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Width Across Flats0.928 INCHES MINIMUM AND 0.940 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 NAS1804-12 in stock?
Yes — NAS1804-12 is in our stock database. Request a quote for current pricing and lead time.
Is NAS1804-12 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If NAS1804-12 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 NAS1804-12?
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 NAS1804-12?
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.