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CAFB4991A — CAFB4991A

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

CAFB4991A: CAFB4991A.

The CAFB4991A is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-181-0459, 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
CAFB4991A
NSN: 5315-01-181-0459
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
Part NumberCAFB4991A
NSN5315-01-181-0459
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: CAFB4991A · 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
SUBSTITUTES & CROSS-REFERENCES 1
16102393Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is CAFB4991A?
CAFB4991A is a CAFB4991A.
What parts can replace CAFB4991A?
There is 1 known substitute for CAFB4991A: 16102393. Substitute compatibility should be verified for your specific system.
What is the NSN for CAFB4991A?
CAFB4991A is cataloged in the U.S. Government catalog under NSN 5315-01-181-0459. This indicates validated use in U.S. government and defense supply chains.
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