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PartsTable / COMPONENT / MS9047-306
MS9047-306 ✓ 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,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.375 INCHES NOMINAL IN, material: STEEL COMP 420 OVERALL, overall_length: 2.975 INCHES MINIMUM AND 3.025 INCHES MAXIMUM IN, surface_finish: 80.0 MICROINCHES OUTSIDE DIAMETER, hardness_rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL, style_designator: SLOTTED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-243-9561, 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
MS9047-306
NSN: 5315-01-243-9561
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.375 INCHES NOMINAL IN
materialSTEEL COMP 420 OVERALL
overall_length2.975 INCHES MINIMUM AND 3.025 INCHES MAXIMUM IN
surface_finish80.0 MICROINCHES OUTSIDE DIAMETER
hardness_rating83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.077 INCHES NOMINAL IN
material_document_and_classificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-243-9561
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS9047-306 · 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
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL: STEEL COMP 420 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.077 INCHES NOMINAL IN
•
DIAMETER: 0.375 INCHES NOMINAL IN
•
SURFACE FINISH: 80.0 MICROINCHES OUTSIDE DIAMETER
•
HARDNESS RATING: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSLOTTED
OVERALL LENGTH2.975 INCHES MINIMUM AND 3.025 INCHES MAXIMUM IN
MATERIALSTEEL COMP 420 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.077 INCHES NOMINAL IN
DIAMETER0.375 INCHES NOMINAL IN
SURFACE FINISH80.0 MICROINCHES OUTSIDE DIAMETER
HARDNESS RATING83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
160-2051-01-01Interchangeable
interchangeable cross-reference
interchangeable
149-044-0001Interchangeable
interchangeable cross-reference
interchangeable
CP2051+1+363Interchangeable
interchangeable cross-reference
interchangeable
MS17126Interchangeable
Same NIIN cross-reference
interchangeable
MS171726Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9047-306?
MS9047-306 is a PIN,SPRING.
What parts can replace MS9047-306?
There are 5 known substitutes for MS9047-306: 160-2051-01-01, 149-044-0001, CP2051+1+363 and 2 more. Substitute compatibility should be verified for your specific system.
Is MS9047-306 still available?
MS9047-306 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