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Technical Data Sheet
PartsTable / COMPONENT / 272.514323
272.514323 ✓ 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 272.514323 is a the manufacturer industrial component. Key specifications include Drive Bays: 27x 2.5" SFF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-458-2819, 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
272.514323
NSN: 5310-00-458-2819
FSC: 5310
CAGE: D3683 — VINCORION ADVANCED SYSTEMS GMBH DIV JENOPTIK DEFENSE AND CIVIL SYSTEMS (DEU)
SPECIFICATIONS
Drive Bays27x 2.5" SFF
NSN5310-00-458-2819
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 272.514323 · 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
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 3B
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES: UNF
TECHNICAL CHARACTERISTICS (FLIS)
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
NUT STYLEHEXAGON
THREAD CLASS3B
NOMINAL THREAD SIZE0.312 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
WIDTH ACROSS FLATS0.490 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
28664Interchangeable
interchangeable cross-reference
interchangeable
GA34AInterchangeable
interchangeable cross-reference
interchangeable
MGA34AInterchangeable
interchangeable cross-reference
interchangeable
404837Interchangeable
interchangeable cross-reference
interchangeable
43941Interchangeable
interchangeable cross-reference
interchangeable
MS20364-524CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 272.514323?
272.514323 is a 272.514323.
What parts can replace 272.514323?
There are 6 known substitutes for 272.514323: 28664, GA34A, MGA34A and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 272.514323?
272.514323 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-458-2819. 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