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Technical Data Sheet
PartsTable / COMPONENT / 137158-0001
137158-0001 ✓ 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,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 NUT, nut_height: 0.180 INCHES NOMINAL IN, nut_diameter: 0.281 INCHES NOMINAL IN, pilot_length: 0.120 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC), pilot_diameter: 0.216 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-155-1735, 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
137158-0001
NSN: 5310-01-155-1735
FSC: 5310
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 NUT
nut_height0.180 INCHES NOMINAL IN
nut_diameter0.281 INCHES NOMINAL IN
pilot_length0.120 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.216 INCHES NOMINAL IN
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
NSN5310-01-155-1735
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 137158-0001 · 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: 40
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
MATERIAL: STEEL COMP 303 NUT
•
NUT DIAMETER: 0.281 INCHES NOMINAL IN
•
NUT HEIGHT: 0.180 INCHES NOMINAL IN
•
PILOT DIAMETER: 0.216 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH40
NOMINAL THREAD SIZE0.112 INCHES IN
MATERIALSTEEL COMP 303 NUT
MATERIALPLASTIC LOCKING INSERT
NUT DIAMETER0.281 INCHES NOMINAL IN
NUT HEIGHT0.180 INCHES NOMINAL IN
PILOT DIAMETER0.216 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
PILOT LENGTH0.120 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
137-158-1Interchangeable
interchangeable cross-reference
interchangeable
5351-038Interchangeable
interchangeable cross-reference
interchangeable
5351-38Interchangeable
interchangeable cross-reference
interchangeable
002-004247-001Interchangeable
interchangeable cross-reference
interchangeable
235-C2445-1Interchangeable
interchangeable cross-reference
interchangeable
610103P1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 137158-0001?
137158-0001 is a NUT,SELF-LOCKING,CLINCH.
What parts can replace 137158-0001?
There are 6 known substitutes for 137158-0001: 137-158-1, 5351-038, 5351-38 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 137158-0001?
137158-0001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-155-1735. 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