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PartsTable / COMPONENT / 1.000-8UNC-3B M ONEL
1.000-8UNC-3B M ONEL ✓ 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 1.000-8UNC-3B M ONEL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-476-8619, 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
1.000-8UNC-3B M ONEL
NSN: 5310-01-476-8619
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number1.000-8UNC-3B M ONEL
NSN5310-01-476-8619
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1.000-8UNC-3B M ONEL · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
SPECIFICATION/STANDARD DATA: 81349-MS17828J GOVERNMENT SPECIFICATION
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
•
COUNTERSINK ANGLE: 88.0 DEGREES NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,UNS N04400 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
SPECIFICATION/STANDARD DATA81349-MS17828J GOVERNMENT SPECIFICATION
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
COUNTERSINK ANGLE88.0 DEGREES NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,UNS N04400 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 NUT
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066,COMP A,TYPE I ASSN STD SINGLE MATERIAL RESPONSE LOCKING INSERT
BEARING SURFACE FINISH125.00 MICROINCHES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2643-852-01-ITEM-57L1Interchangeable
interchangeable cross-reference
interchangeable
566-6405738-SDGC-A31-1L1Interchangeable
interchangeable cross-reference
interchangeable
845-7286652-ITEM-57L1Interchangeable
interchangeable cross-reference
interchangeable
A7I 3124 ITEM 4Interchangeable
interchangeable cross-reference
interchangeable
751-6402502 FIND 39Interchangeable
interchangeable cross-reference
interchangeable
4D98023 ITEM 135Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1.000-8UNC-3B M ONEL?
1.000-8UNC-3B M ONEL is a 1.000-8UNC-3B M ONEL.
What parts can replace 1.000-8UNC-3B M ONEL?
There are 21 known substitutes for 1.000-8UNC-3B M ONEL: 2643-852-01-ITEM-57L1, 566-6405738-SDGC-A31-1L1, 845-7286652-ITEM-57L1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1.000-8UNC-3B M ONEL?
1.000-8UNC-3B M ONEL is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-476-8619. 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