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PartsTable / COMPONENT / 3M154-048
3M154-048 ✓ 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,CAP is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OVERALL, nut_style: CAP, nut_height: 0.500 INCHES NOMINAL IN, temp_rating: 550.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-9781, 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
3M154-048
NSN: 5310-00-596-9781
FSC: 5310
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OVERALL
nut_styleCAP
nut_height0.500 INCHES NOMINAL IN
temp_rating550.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.531 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-00-596-9781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3M154-048 · 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 CLASS: 3B
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
BEARING SURFACE TYPE: CHAMFERED
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL: STEEL COMP 1018 OVERALL
•
WIDTH ACROSS FLATS: 0.531 INCHES NOMINAL IN
•
NUT HEIGHT: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH28
MATERIALSTEEL COMP 1018 OVERALL
WIDTH ACROSS FLATS0.531 INCHES NOMINAL IN
NUT HEIGHT0.500 INCHES NOMINAL IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
0-832-5Interchangeable
interchangeable cross-reference
interchangeable
16-5586Interchangeable
interchangeable cross-reference
interchangeable
26C-048Interchangeable
interchangeable cross-reference
interchangeable
HS5136-0048Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3M154-048?
3M154-048 is a NUT,SELF-LOCKING,CAP.
What parts can replace 3M154-048?
There are 4 known substitutes for 3M154-048: 0-832-5, 16-5586, 26C-048 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M154-048?
3M154-048 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-9781. 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