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PartsTable / COMPONENT / B229 REP NO 72
B229 REP NO 72 ✓ 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. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-430-8843, 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
B229 REP NO 72
NSN: 5310-01-430-8843
FSC: 5310
CAGE: 15852 — W S DARLEY & CO (USA)
SPECIFICATIONS
Part NumberB229 REP NO 72
NSN5310-01-430-8843
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B229 REP NO 72 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
E2265PC54Interchangeable
interchangeable cross-reference
interchangeable
E2929PC54Interchangeable
interchangeable cross-reference
interchangeable
E739PC96Interchangeable
interchangeable cross-reference
interchangeable
3005-200-1W3-4PC15Interchangeable
interchangeable cross-reference
interchangeable
A841Interchangeable
interchangeable cross-reference
interchangeable
109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B229 REP NO 72?
B229 REP NO 72 is a WASHER,FLAT.
What parts can replace B229 REP NO 72?
There are 12 known substitutes for B229 REP NO 72: E2265PC54, E2929PC54, E739PC96 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B229 REP NO 72?
B229 REP NO 72 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-430-8843. 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