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PartsTable / COMPONENT / X5008/12/156 ITEM 49

X5008/12/156 ITEM 49 — Technical Data Sheet

✓ 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 NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include thread_series: UNF, nominal_thread_size: 0.375 INCHES IN, thread_quantity_per_inch: 24. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5310-01-091-6523, 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
X5008/12/156 ITEM 49
NSN: 5310-01-091-6523
FSC: 5310
CAGE: K7018 — WELLMAN GROUP (GBR)
SPECIFICATIONS
thread_seriesUNF
nominal_thread_size0.375 INCHES IN
thread_quantity_per_inch24
NSN5310-01-091-6523
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: X5008/12/156 ITEM 49 · 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 QUANTITY PER INCH: 24
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
NOMINAL THREAD SIZE0.375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
15649InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
53A68A20InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1563InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1563ISSUE3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
103-5120InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40185InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X5008/12/156 ITEM 49?
X5008/12/156 ITEM 49 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace X5008/12/156 ITEM 49?
There are 14 known substitutes for X5008/12/156 ITEM 49: 15649, 53A68A20, S1563 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X5008/12/156 ITEM 49?
X5008/12/156 ITEM 49 is cataloged in the Federal Logistics Information System under NSN 5310-01-091-6523. 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: September 2026