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3006634 ✓ 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 WASHER,LOCK is a the manufacturer industrial component. Key specifications include color: YELLOW OVERALL, material: STEEL OVERALL, hole_diameter: 0.564 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN, outside_diameter: 0.965 INCHES MAXIMUM IN, special_features: PRODUCT WEIGHT 0.4425LBS LBS, style_designator: SPLIT HELICAL-RIGHT HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-561-6487, 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
3006634
NSN: 5310-01-561-6487
FSC: 5310
CAGE: 1EFH8 — GENERAL DYNAMICS LAND SYSTEMS - FORCE PROTECTION INC. DBA GDLS DIV GDLS-FP (USA)
SPECIFICATIONS
colorYELLOW OVERALL
materialSTEEL OVERALL
hole_diameter0.564 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN
outside_diameter0.965 INCHES MAXIMUM IN
special_featuresPRODUCT WEIGHT 0.4425LBS LBS
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentZINC AND DICHROMATE ZINC OVERALL
material_thickness0.141 INCHES MINIMUM IN
end_item_identificationMRAP BUFFALO MK2A2
part_name_assigned_by_controlling_agencyWASHER,LOCK
NSN5310-01-561-6487
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3006634 · 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
•
OUTSIDE DIAMETER: 0.965 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.564 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.141 INCHES MINIMUM IN
•
MATERIAL: STEEL OVERALL
•
COLOR: YELLOW OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.965 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER,LOCK
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
SPECIAL FEATURESPRODUCT WEIGHT 0.4425LBS LBS
HOLE DIAMETER0.564 INCHES MINIMUM AND 0.574 INCHES MAXIMUM IN
MATERIAL THICKNESS0.141 INCHES MINIMUM IN
MATERIALSTEEL OVERALL
COLORYELLOW OVERALL
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
SURFACE TREATMENTZINC AND DICHROMATE ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
9760Interchangeable
interchangeable cross-reference
interchangeable
39730Interchangeable
interchangeable cross-reference
interchangeable
3662551-503Interchangeable
interchangeable cross-reference
interchangeable
XM-36465-90-1000-O-LInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3006634?
3006634 is a WASHER,LOCK.
What parts can replace 3006634?
There are 4 known substitutes for 3006634: 9760, 39730, 3662551-503 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3006634?
3006634 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-561-6487. 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