PartsTable / COMPONENT / 4B4278
4B4278 — Technical Data Sheet
✓ 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 part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-080-6004, 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
4B4278
NSN: 5310-00-080-6004 FSC: 5310 CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part Number 4B4278 NSN 5310-00-080-6004
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED
Hex NUT
CROSS-SECTION
WASHER OD: —
SIZE: —
MATERIAL: —
PN: 4B4278 · 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 30
3H1216 Interchangeable interchangeable cross-reference
interchangeable
14239-2 Interchangeable interchangeable cross-reference
interchangeable
K376 Interchangeable interchangeable cross-reference
interchangeable
84001-1 Interchangeable interchangeable cross-reference
interchangeable
12387279-12 Interchangeable interchangeable cross-reference
interchangeable
V11-001-028 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4B4278?
4B4278 is a WASHER,FLAT.
What parts can replace 4B4278?
There are 30 known substitutes for 4B4278: 3H1216, 14239-2, K376 and 27 more. Substitute compatibility should be verified for your specific system.
Is 4B4278 still available?
4B4278 is currently cancelled.