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Technical Data Sheet
PartsTable / COMPONENT / 2698178-70
2698178-70 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, first_end_style: SQUARE, surface_treatment: PASSIVATE OVERALL, pin_overall_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, pin_overall_diameter: 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN, material_document_and_classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-285-4083, 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
2698178-70
NSN: 5315-01-285-4083
FSC: 5315
CAGE: 96214 — RAYTHEON COMPANY DBA RAYTHEON (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
first_end_styleSQUARE
surface_treatmentPASSIVATE OVERALL
pin_overall_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
pin_overall_diameter0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-285-4083
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2698178-70 · 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
•
FIRST END STYLE: SQUARE
•
MATERIAL: STEEL COMP 303 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PIN OVERALL LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END STYLESQUARE
MATERIALSTEEL COMP 303 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
PIN OVERALL DIAMETER0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
PIN OVERALL LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
31071Interchangeable
interchangeable cross-reference
interchangeable
M21143/2-27Interchangeable
interchangeable cross-reference
interchangeable
L2088498-11Interchangeable
interchangeable cross-reference
interchangeable
D11-500Interchangeable
interchangeable cross-reference
interchangeable
752-5801-3Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-21143/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2698178-70?
2698178-70 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 2698178-70?
There are 24 known substitutes for 2698178-70: 31071, M21143/2-27, L2088498-11 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2698178-70?
2698178-70 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-285-4083. 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