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Technical Data Sheet
PartsTable / COMPONENT / 001.000-08UNC-3B
001.000-08UNC-3B ✓ 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 001.000-08UNC-3B 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 5310-01-202-8819, 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
001.000-08UNC-3B
NSN: 5310-01-202-8819
FSC: 5310
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
Part Number001.000-08UNC-3B
NSN5310-01-202-8819
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 001.000-08UNC-3B · 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 QUANTITY PER INCH: 8
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
THREAD CLASS: 3B
•
DEPARTURE FROM CITED DOCUMENT: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: ZZZW
•
MATERIAL: PLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH8
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD CLASS3B
DEPARTURE FROM CITED DOCUMENTMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE1.000 INCHES IN
CRITICALITY CODE JUSTIFICATIONZZZW
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE LOCKING INSERT
MATERIALNICKEL ALLOY OVERALL EXCEPT INSERT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
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 001.000-08UNC-3B?
001.000-08UNC-3B is a 001.000-08UNC-3B.
What parts can replace 001.000-08UNC-3B?
There are 19 known substitutes for 001.000-08UNC-3B: 2643-852-01-ITEM-57L1, 566-6405738-SDGC-A31-1L1, 845-7286652-ITEM-57L1 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 001.000-08UNC-3B?
001.000-08UNC-3B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-202-8819. 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