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ES8411-503 — NUT,SELF-LOCKING,SPLINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ES8411-503: NUT,SELF-LOCKING,SPLINE.

The NUT,SELF-LOCKING,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 BRACKET, nut_style: SPLINE (FLOATING), nut_height: 0.319 INCHES NOMINAL IN, nut_length: 0.420 INCHES NOMINAL IN, lubrication: DRY FILM LUBRICANT, temp_rating: 800.0 FAHRENHEIT MAXIMUM DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-306-5829, 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
ES8411-503
NSN: 5310-01-306-5829
FSC: 5310 — Nuts and Washers
CAGE: 98255 — DRS SUSTAINMENT SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 631 BRACKET
nut_styleSPLINE (FLOATING)
nut_height0.319 INCHES NOMINAL IN
nut_length0.420 INCHES NOMINAL IN
lubricationDRY FILM LUBRICANT
temp_rating800.0 FAHRENHEIT MAXIMUM DEGF
pilot_length0.130 INCHES NOMINAL IN
thread_class3B
thread_seriesUNJC
pilot_diameter0.217 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
NSN5310-01-306-5829
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ES8411-503 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
WIDTH ACROSS FLATS: 0.295 INCHES NOMINAL IN
•
NUT LENGTH: 0.420 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BRACKET
•
THREAD SERIES: UNJC
•
TEMP RATING: 800.0 FAHRENHEIT MAXIMUM DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
WIDTH ACROSS FLATS0.295 INCHES NOMINAL IN
NUT LENGTH0.420 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BRACKET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BOSS
THREAD SERIESUNJC
TEMP RATING800.0 FAHRENHEIT MAXIMUM DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5528 ASSN STD SINGLE MATERIAL RESPONSE BRACKET
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5639 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5514 ASSN STD 2ND MATERIAL RESPONSE BOSS
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
GFP6010-L-4-BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ES8411-503?
ES8411-503 is a NUT,SELF-LOCKING,SPLINE.
What parts can replace ES8411-503?
There is 1 known substitute for ES8411-503: GFP6010-L-4-B. Substitute compatibility should be verified for your specific system.
What is the NSN for ES8411-503?
ES8411-503 is cataloged in the U.S. Government catalog under NSN 5310-01-306-5829. This indicates validated use in U.S. government and defense supply chains.
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