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8030931 ✓ 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 WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1074 OVERALL, hole_diameter: 0.190 INCHES NOMINAL IN, overall_height: 0.027 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES NOMINAL IN, style_designator: SPRING TENSION, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-845-1894, 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
8030931
NSN: 5310-00-845-1894
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1074 OVERALL
hole_diameter0.190 INCHES NOMINAL IN
overall_height0.027 INCHES NOMINAL IN
outside_diameter0.375 INCHES NOMINAL IN
style_designatorSPRING TENSION
surface_treatmentCADMIUM OVERALL
material_thickness0.015 INCHES NOMINAL IN
material_document_and_classificationMIL-S-17919 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-845-1894
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8030931 · 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
•
HOLE DIAMETER: 0.190 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-17919 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
STYLE DESIGNATOR: SPRING TENSION
•
MATERIAL THICKNESS: 0.015 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1074 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.190 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-17919 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORSPRING TENSION
OVERALL HEIGHT0.027 INCHES NOMINAL IN
MATERIAL THICKNESS0.015 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MATERIALSTEEL COMP 1074 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
71073Interchangeable
interchangeable cross-reference
interchangeable
375-20Interchangeable
interchangeable cross-reference
interchangeable
B0375-020-5Interchangeable
interchangeable cross-reference
interchangeable
ES2081-02Interchangeable
interchangeable cross-reference
interchangeable
37515Interchangeable
interchangeable cross-reference
interchangeable
00434-IUF8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8030931?
8030931 is a WASHER,SPRING TENSION.
What parts can replace 8030931?
There are 7 known substitutes for 8030931: 71073, 375-20, B0375-020-5 and 4 more. Substitute compatibility should be verified for your specific system.
Is 8030931 still available?
8030931 is currently cancelled.
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Last verified: July 2026