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Technical Data Sheet
PartsTable / COMPONENT / 1315-026-2.5IN ITEM 8
1315-026-2.5IN ITEM 8 ✓ 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 1315-026-2.5IN ITEM 8 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-272-5700, 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
1315-026-2.5IN ITEM 8
NSN: 5310-00-272-5700
FSC: 5310
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1315-026-2.5IN ITEM 8
NSN5310-00-272-5700
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1315-026-2.5IN ITEM 8 · 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
•
NUT STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 400 GRADE
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH13
NOMINAL THREAD SIZE0.500 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 400 GRADE
THREAD CLASS2B
WIDTH ACROSS FLATS0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
FF-B-187Interchangeable
interchangeable cross-reference
interchangeable
149158Interchangeable
interchangeable cross-reference
interchangeable
136480Interchangeable
interchangeable cross-reference
interchangeable
CI1-010DInterchangeable
interchangeable cross-reference
interchangeable
CI1Interchangeable
interchangeable cross-reference
interchangeable
A18182-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1315-026-2.5IN ITEM 8?
1315-026-2.5IN ITEM 8 is a 1315-026-2.5IN ITEM 8.
What parts can replace 1315-026-2.5IN ITEM 8?
There are 23 known substitutes for 1315-026-2.5IN ITEM 8: FF-B-187, 149158, 136480 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1315-026-2.5IN ITEM 8 still available?
1315-026-2.5IN ITEM 8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026