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PartsTable / COMPONENT / 933B055798
933B055798 ✓ 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 PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, shank_length: 0.688 INCHES NOMINAL IN, overall_length: 1.375 INCHES NOMINAL IN, shank_diameter: 0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, undercut_width: 0.062 INCHES NOMINAL IN, first_end_style: CHAMFERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-098-2729, 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
933B055798
NSN: 5315-01-098-2729
FSC: 5315
CAGE: 34228 — L3 TECHNOLOGIES, INC. DIV L3 KEO (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
shank_length0.688 INCHES NOMINAL IN
overall_length1.375 INCHES NOMINAL IN
shank_diameter0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
undercut_width0.062 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleCHAMFERED
style_designatorUNDERCUT
surface_treatmentOXIDE OVERALL
undercut_diameter0.406 INCHES NOMINAL IN
first_end_locationLONG END
second_shank_length0.625 INCHES NOMINAL IN
NSN5315-01-098-2729
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 933B055798 · 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
•
UNDERCUT WIDTH: 0.062 INCHES NOMINAL IN
•
SECOND SHANK LENGTH: 0.625 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.500 INCHES NOMINAL IN
•
FIRST END LOCATION: LONG END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: -1L-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL COMP 303 OVERALL
•
STYLE DESIGNATOR: UNDERCUT
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
UNDERCUT WIDTH0.062 INCHES NOMINAL IN
SECOND SHANK LENGTH0.625 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.500 INCHES NOMINAL IN
FIRST END LOCATIONLONG END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION-1L-C-13924,CLASS 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
STYLE DESIGNATORUNDERCUT
SURFACE TREATMENTOXIDE OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
OVERALL LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
55798Interchangeable
interchangeable cross-reference
interchangeable
2860Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 933B055798?
933B055798 is a PIN,SHOULDER,HEADLESS.
What parts can replace 933B055798?
There are 2 known substitutes for 933B055798: 55798, 2860. Substitute compatibility should be verified for your specific system.
What is the NSN for 933B055798?
933B055798 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-098-2729. 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