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PartsTable / COMPONENT / MS171586
MS171586 ✓ 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 TERMINAL,STUD is a the manufacturer industrial component. Key specifications include diameter: 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN, material: COPPER OVERALL, slot_depth: 0.187 INCHES SINGLE END IN, slot_width: 0.070 INCHES SINGLE END IN, largest_width: 0.156 INCHES SINGLE END IN, overall_height: 0.514 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-664-0401, 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
MS171586
NSN: 5315-00-664-0401
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
materialCOPPER OVERALL
slot_depth0.187 INCHES SINGLE END IN
slot_width0.070 INCHES SINGLE END IN
largest_width0.156 INCHES SINGLE END IN
overall_height0.514 INCHES IN
overall_length0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
shear_strength4400 DOUBLE POUND
hardness_rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
terminal_length0.219 INCHES IN
overall_diameter0.156 INCHES IN
style_designatorSLOTTED
NSN5315-00-664-0401
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS171586 · 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
•
DIAMETER: 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.040 INCHES NOMINAL IN
•
HARDNESS RATING: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SHEAR STRENGTH: 4400 DOUBLE POUND
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
MATERIAL THICKNESS0.040 INCHES NOMINAL IN
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
STYLE DESIGNATORSLOTTED
SURFACE TREATMENTPASSIVATE OVERALL
SHEAR STRENGTH4400 DOUBLE POUND
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
140-1784-04-03-00Interchangeable
interchangeable cross-reference
interchangeable
M55155/32-6Interchangeable
interchangeable cross-reference
interchangeable
MIL-T-55155/32Interchangeable
interchangeable cross-reference
interchangeable
5315PL0888357Interchangeable
Same NIIN cross-reference
interchangeable
MS16562-234Interchangeable
Same NIIN cross-reference
interchangeable
42P11700-1080Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS171586?
MS171586 is a TERMINAL,STUD.
What parts can replace MS171586?
There are 10 known substitutes for MS171586: 140-1784-04-03-00, M55155/32-6, MIL-T-55155/32 and 7 more. Substitute compatibility should be verified for your specific system.
Is MS171586 still available?
MS171586 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026