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PartsTable / COMPONENT / 4900-16
4900-16 ✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN, construction: LAMINATED, thread_class: 3A A, thread_length: 0.667 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-580-3612, 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
4900-16
NSN: 5310-00-580-3612
FSC: 5310
CAGE: 72653 — GC/WALDOM INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN
constructionLAMINATED
thread_class3A A
thread_length0.667 INCHES NOMINAL IN
fastener_length0.750 INCHES NOMINAL IN
outside_diameter0.594 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
style_designatorCIRCULAR
thread_directionRIGHT-HAND
aperture_diameter0.476 INCHES NOMINAL IN
features_providedSEPARABLE
NSN5310-00-580-3612
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4900-16 · 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
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-F-10336 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: CELLULOSE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.250 INCHES NOMINAL IN
•
THICKNESS: 0.047 INCHES NOMINAL IN
•
OVERALL DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-F-10336 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCELLULOSE OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.250 INCHES NOMINAL IN
THICKNESS0.047 INCHES NOMINAL IN
OVERALL DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
GC3510KAC20-5Interchangeable
interchangeable cross-reference
interchangeable
6516Interchangeable
interchangeable cross-reference
interchangeable
5500Interchangeable
interchangeable cross-reference
interchangeable
6515Interchangeable
interchangeable cross-reference
interchangeable
065-00016Interchangeable
interchangeable cross-reference
interchangeable
65-16PKInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4900-16?
4900-16 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 4900-16?
There are 14 known substitutes for 4900-16: GC3510KAC20-5, 6516, 5500 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4900-16?
4900-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-580-3612. 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