PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 159-300072-00
159-300072-00 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 1.194 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN, outside_diameter: 1.256 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: CADMIUM OVERALL, material_thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-074-4658, 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
159-300072-00
NSN: 5310-00-074-4658
FSC: 5310
CAGE: 73949 — GUARDIAN ELECTRIC MANUFACTURING CO DIV GUARDIAN ELECTRIC MFG CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter1.194 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN
outside_diameter1.256 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
NSN5310-00-074-4658
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 159-300072-00 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OUTSIDE DIAMETER: 1.256 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
HOLE DIAMETER: 1.194 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
OUTSIDE DIAMETER1.256 INCHES MINIMUM AND 1.271 INCHES MAXIMUM IN
MATERIAL THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
HOLE DIAMETER1.194 INCHES MINIMUM AND 1.209 INCHES MAXIMUM IN
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
MIL-PRF-8565KInterchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-8565/7Interchangeable
interchangeable cross-reference
interchangeable
D8565/7-2Interchangeable
interchangeable cross-reference
interchangeable
RG72Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 159-300072-00?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 159-300072-00?
159-300072-00 is a WASHER,LOCK.
What parts can replace 159-300072-00?
There are 4 known substitutes for 159-300072-00: MIL-PRF-8565K, MIL-PRF-8565/7, D8565/7-2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 159-300072-00?
159-300072-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-074-4658. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 159-300072-00

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026