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PartsTable / COMPONENT / 98402-3
98402-3 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, lubrication: DRY FILM LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNJC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-797-8977, 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
98402-3
NSN: 5330-00-797-8977
FSC: 5330
CAGE: 09009 — PRODUCTION CONTROL UNITS, INC DIV PRODUCTION CONTROL UNITS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
lubricationDRY FILM LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
overall_height0.115 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN
hardness_rating49.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresNUT SELF-LOCKING
thread_directionRIGHT-HAND
washer_thickness0.010 INCHES MINIMUM IN
NSN5330-00-797-8977
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 98402-3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
5310PL0150571Interchangeable
interchangeable cross-reference
interchangeable
000004001330000Interchangeable
interchangeable cross-reference
interchangeable
P26039Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 98402-3?
98402-3 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace 98402-3?
There are 3 known substitutes for 98402-3: 5310PL0150571, 000004001330000, P26039. Substitute compatibility should be verified for your specific system.
What is the NSN for 98402-3?
98402-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-797-8977. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026