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PartsTable / COMPONENT / 0.438-14UNC-2AX1.50 NICU
0.438-14UNC-2AX1.50 NICU ✓ 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 0.438-14UNC-2AX1.50 NICU 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 5310-01-658-5403, 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
0.438-14UNC-2AX1.50 NICU
NSN: 5310-01-658-5403
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number0.438-14UNC-2AX1.50 NICU
NSN5310-01-658-5403
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 0.438-14UNC-2AX1.50 NICU · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.50 INCHES IN
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: NICKEL ALLOY AND COPPER ALLOY OVERALL
•
THREAD CLASS: 3B
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-DTL-1222 TY 1 GR 400 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.50 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHYDRAULIC SYS
THREAD QUANTITY PER INCH13
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIALNICKEL ALLOY AND COPPER ALLOY OVERALL
THREAD CLASS3B
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-DTL-1222 TY 1 GR 400 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MIL-DTL-1222 TYI GR400Interchangeable
interchangeable cross-reference
interchangeable
0.438-14UNC-2AX1.50 NICUInterchangeable
interchangeable cross-reference
interchangeable
709-8500410 ITEM 01-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0.438-14UNC-2AX1.50 NICU?
0.438-14UNC-2AX1.50 NICU is a 0.438-14UNC-2AX1.50 NICU.
What parts can replace 0.438-14UNC-2AX1.50 NICU?
There are 3 known substitutes for 0.438-14UNC-2AX1.50 NICU: MIL-DTL-1222 TYI GR400, 0.438-14UNC-2AX1.50 NICU, 709-8500410 ITEM 01-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 0.438-14UNC-2AX1.50 NICU?
0.438-14UNC-2AX1.50 NICU is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-658-5403. 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