PartsTable
Technical Data Sheet
500979 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The RELAY,REED is a the manufacturer industrial component. Key specifications include diameter: 0.438 INCHES NOMINAL IN, material: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL, duty_type: CONTINUOUS, base_style: DOUBLE CONTACT BAYONET PINLESS, bulb_style: T (TUBULAR), coil_quantity: 11. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-050-0979, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
500979
NSN: 5315-00-050-0979
FSC: 5315
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
diameter0.438 INCHES NOMINAL IN
materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
duty_typeCONTINUOUS
base_styleDOUBLE CONTACT BAYONET PINLESS
bulb_styleT (TUBULAR)
coil_quantity11
overall_width4.2 MILLIMETERS MAXIMUM4.2 MILLIMETERS MAXIMUM MM
overall_height10.4 MILLIMETERS MAXIMUM10.4 MILLIMETERS MAXIMUM MM
overall_length40.8 MILLIMETERS MAXIMUM40.8 MILLIMETERS MAXIMUM MM
bulb_designatorT-4
style_designatorSTANDARD
underloop_length4.000 INCHES NOMINAL IN
NSN5315-00-050-0979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 500979 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
STYLE DESIGNATOR: STANDARD
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-461 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
UNDERLOOP LENGTH: 4.000 INCHES NOMINAL IN
DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-461 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL
UNDERLOOP LENGTH4.000 INCHES NOMINAL IN
DIAMETER0.438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
ZYX11Interchangeable
interchangeable cross-reference
interchangeable
500979Interchangeable
interchangeable cross-reference
interchangeable
01-035Interchangeable
interchangeable cross-reference
interchangeable
HGRM55211V00Interchangeable
interchangeable cross-reference
interchangeable
91546854Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 500979?
500979 is a RELAY,REED.
What parts can replace 500979?
There are 5 known substitutes for 500979: ZYX11, 500979, 01-035 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 500979?
500979 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-050-0979. This indicates validated use in U.S. government and defense supply chains.
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