PartsTable
Technical Data Sheet
AN902-4 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, peripheral_diameter: 0.495 INCHES NOMINAL IN, center_hole_diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN, elongation_percentage: 80 MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-246-8769, 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
AN902-4
NSN: 5310-00-246-8769
FSC: 5310
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
hardness_rating90.0 SHORE DUROMETER A NOMINAL
peripheral_diameter0.495 INCHES NOMINAL IN
center_hole_diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
elongation_percentage80 MAXIMUM
cross-sectional_height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-00-246-8769
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AN902-4 · 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
HARDNESS RATING: 55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM
MATERIAL: RUBBER SYNTHETIC OVERALL
OVERALL DIAMETER: 0.497 INCHES NOMINAL IN
THICKNESS: 0.066 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLE: ROUND
HOLE DIAMETER: 0.365 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLE: ROUND
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3212 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING55.0 DUROMETER MINIMUM AND 65.0 DUROMETER MAXIMUM
MATERIALRUBBER SYNTHETIC OVERALL
OVERALL DIAMETER0.497 INCHES NOMINAL IN
THICKNESS0.066 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.365 INCHES NOMINAL IN
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3212 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
AN-6290-4Interchangeable
interchangeable cross-reference
interchangeable
D6-4Interchangeable
interchangeable cross-reference
interchangeable
AS28778-4Interchangeable
interchangeable cross-reference
interchangeable
695-D-7683ITEM17Interchangeable
interchangeable cross-reference
interchangeable
MS28778-4Interchangeable
interchangeable cross-reference
interchangeable
61H492-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN902-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AN902-4?
AN902-4 is a WASHER,FLAT.
What parts can replace AN902-4?
There are 6 known substitutes for AN902-4: AN-6290-4, D6-4, AS28778-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN902-4?
AN902-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-246-8769. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AN902-4