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PartsTable / COMPONENT / MS35671-31
MS35671-31 ✓ 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,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112 OR STEEL COMP 1212 OVERALL, overall_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, first_end_style: OVAL, style_designator: FULL LENGTH GROOVE, surface_treatment: CADMIUM OVERALL, first_end_location: BOTH ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-060-5075, 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
MS35671-31
NSN: 5315-00-060-5075
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL COMP B1112 OR STEEL COMP 1212 OVERALL
overall_length0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
first_end_styleOVAL
style_designatorFULL LENGTH GROOVE
surface_treatmentCADMIUM OVERALL
first_end_locationBOTH ENDS
first_end_outer_radius0.1775 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN
pin_large_end_diameter0.163 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
pin_small_end_diameter0.1543 INCHES MINIMUM AND 0.1563 INCHES MAXIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-060-5075
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS35671-31 · 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 LOCATION: BOTH ENDS
•
PIN SMALL END DIAMETER: 0.1543 INCHES MINIMUM AND 0.1563 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FIRST END STYLE: OVAL
•
STYLE DESIGNATOR: FULL LENGTH GROOVE
•
MATERIAL: STEEL COMP B1112 OR STEEL COMP 1212 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END OUTER RADIUS: 0.1775 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END LOCATIONBOTH ENDS
PIN SMALL END DIAMETER0.1543 INCHES MINIMUM AND 0.1563 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END STYLEOVAL
STYLE DESIGNATORFULL LENGTH GROOVE
MATERIALSTEEL COMP B1112 OR STEEL COMP 1212 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END OUTER RADIUS0.1775 INCHES MINIMUM AND 0.1975 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
9545Interchangeable
interchangeable cross-reference
interchangeable
190-0265-000Interchangeable
interchangeable cross-reference
interchangeable
1354-5Interchangeable
interchangeable cross-reference
interchangeable
8HYD2C7Interchangeable
interchangeable cross-reference
interchangeable
HYD2Q123Interchangeable
interchangeable cross-reference
interchangeable
200428Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35671-31?
MS35671-31 is a PIN,GROOVED,HEADLESS.
What parts can replace MS35671-31?
There are 7 known substitutes for MS35671-31: 9545, 190-0265-000, 1354-5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS35671-31?
MS35671-31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-060-5075. 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