PartsTable
Technical Data Sheet
8598394-03 FN161D7 ✓ 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,FLAT,REDUCED is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY, part_name_assigned_by_controlling_agency: WASHER,FLAT,REDUCED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-719-7745, 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
8598394-03 FN161D7
NSN: 5310-01-719-7745
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
part_name_assigned_by_controlling_agencyWASHER,FLAT,REDUCED
NSN5310-01-719-7745
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8598394-03 FN161D7 · 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
CRITICALITY CODE JUSTIFICATION: ZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,FLAT,REDUCED
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5310PL0712495Interchangeable
interchangeable cross-reference
interchangeable
547A003013Interchangeable
interchangeable cross-reference
interchangeable
NAS620C8Interchangeable
interchangeable cross-reference
interchangeable
607D0300 ITEM 46D7Interchangeable
Same NIIN cross-reference
interchangeable
607D0300 ITEM 46Interchangeable
Same NIIN cross-reference
interchangeable
8598394-03 / FN161 SHEET 2Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8598394-03 FN161D7?
8598394-03 FN161D7 is a WASHER,FLAT,REDUCED.
What parts can replace 8598394-03 FN161D7?
There are 8 known substitutes for 8598394-03 FN161D7: 5310PL0712495, 547A003013, NAS620C8 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8598394-03 FN161D7?
8598394-03 FN161D7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-719-7745. This indicates validated use in U.S. government and defense supply chains.
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