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Technical Data Sheet

5275F 4.00IN ITEM 16 — Technical Data Sheet

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— · 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 NUT,PLAIN,HEXAGON 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 under NSN 5310-01-419-9245, 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
5275F 4.00IN ITEM 16
NSN: 5310-01-419-9245
FSC: 5310
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
Part Number5275F 4.00IN ITEM 16
NSN5310-01-419-9245
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5275F 4.00IN ITEM 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
23-12538-007InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AA55423InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ATC 7 1/2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
621094InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5275F 4.00IN ITEM 16?
5275F 4.00IN ITEM 16 is a NUT,PLAIN,HEXAGON.
What parts can replace 5275F 4.00IN ITEM 16?
There are 4 known substitutes for 5275F 4.00IN ITEM 16: 23-12538-007, AA55423, ATC 7 1/2 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5275F 4.00IN ITEM 16?
5275F 4.00IN ITEM 16 is cataloged in the Federal Logistics Information System under NSN 5310-01-419-9245. This indicates validated use in U.S. government and defense supply chains.
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