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PartsTable / COMPONENT / 2790894-4
2790894-4 ✓ 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 NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.304 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, nut_diameter: 0.469 INCHES NOMINAL IN, pilot_length: 0.054 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-873-3194, 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
2790894-4
NSN: 5310-00-873-3194
FSC: 5310
CAGE: 52088 — LOCKHEED MARTIN CORPORATION DIV RMS - MANASSAS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.304 INCHES NOMINAL IN
lubricationDRY FILM LUBRICANT
nut_diameter0.469 INCHES NOMINAL IN
pilot_length0.054 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
pilot_diameter0.405 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
NSN5310-00-873-3194
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2790894-4 · 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
•
MATERIAL: STEEL COMP 303 OVERALL
•
NUT DIAMETER: 0.469 INCHES NOMINAL IN
•
PILOT LENGTH: 0.054 INCHES MAXIMUM IN
•
FEATURES PROVIDED: FLOATING NUT
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNF
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303 OVERALL
NUT DIAMETER0.469 INCHES NOMINAL IN
PILOT LENGTH0.054 INCHES MAXIMUM IN
FEATURES PROVIDEDFLOATING NUT
NOMINAL THREAD SIZE0.190 INCHES IN
THREAD QUANTITY PER INCH32
THREAD SERIESUNF
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
D9578-28A13Interchangeable
interchangeable cross-reference
interchangeable
177923Interchangeable
interchangeable cross-reference
interchangeable
50208Interchangeable
interchangeable cross-reference
interchangeable
PB426Interchangeable
interchangeable cross-reference
interchangeable
59063Interchangeable
interchangeable cross-reference
interchangeable
SC-B-69409Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2790894-4?
2790894-4 is a NUT,SELF-LOCKING,CLINCH.
What parts can replace 2790894-4?
There are 24 known substitutes for 2790894-4: D9578-28A13, 177923, 50208 and 21 more. Substitute compatibility should be verified for your specific system.
Is 2790894-4 still available?
2790894-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026