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PartsTable / COMPONENT / MS9048-308
MS9048-308 ✓ 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 410 OVERALL, overall_length: 3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN, style_designator: SLOTTED, material_thickness: 0.077 INCHES NOMINAL IN, material_document_and_classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-816-1521, 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
MS9048-308
NSN: 5315-00-816-1521
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 410 OVERALL
overall_length3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
style_designatorSLOTTED
material_thickness0.077 INCHES NOMINAL IN
material_document_and_classificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-816-1521
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS9048-308 · 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 410 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
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSLOTTED
MATERIALSTEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.077 INCHES NOMINAL IN
DIAMETER0.375 INCHES NOMINAL IN
OVERALL LENGTH3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
149-044-0002Interchangeable
interchangeable cross-reference
interchangeable
2009Interchangeable
interchangeable cross-reference
interchangeable
X2051BInterchangeable
interchangeable cross-reference
interchangeable
MS171728Interchangeable
Same NIIN cross-reference
interchangeable
MS9048-308 3/8D IAX3-1/2 LGInterchangeable
Same NIIN cross-reference
interchangeable
42P11701-3560Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS9048-308?
MS9048-308 is a PIN,SPRING.
What parts can replace MS9048-308?
There are 8 known substitutes for MS9048-308: 149-044-0002, 2009, X2051B and 5 more. Substitute compatibility should be verified for your specific system.
Is MS9048-308 still available?
MS9048-308 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026