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PartsTable / COMPONENT / 30-298-142-04
30-298-142-04 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.040 INCHES NOMINAL IN, hole_diameter: 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN, overall_diameter: 0.373 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, surface_treatment: CADMIUM OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-240-7213, 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
30-298-142-04
NSN: 5310-00-240-7213
FSC: 5310
CAGE: K0802 — MEGGITT (UK) LTD DIV MEGGITT SENSING SYSTEMS (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.040 INCHES NOMINAL IN
hole_diameter0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
overall_diameter0.373 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
surface_treatmentCADMIUM OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
surface_treatment_document_and_classificationDTD.904,FSCM 10849 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-240-7213
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 30-298-142-04 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: DTD.904,FSCM 10849 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
OVERALL DIAMETER: 0.373 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.040 INCHES NOMINAL IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDTD.904,FSCM 10849 MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
OVERALL DIAMETER0.373 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
HOLE DIAMETER0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.040 INCHES NOMINAL IN
PERIPHERAL SHAPE STYLEROUND
SURFACE TREATMENTCADMIUM OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1937904-1Interchangeable
interchangeable cross-reference
interchangeable
SP238Interchangeable
interchangeable cross-reference
interchangeable
D.S.R.153-2Interchangeable
Same NIIN cross-reference
interchangeable
SP23BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-298-142-04?
30-298-142-04 is a WASHER,FLAT.
What parts can replace 30-298-142-04?
There are 4 known substitutes for 30-298-142-04: 1937904-1, SP238, D.S.R.153-2 and 1 more. Substitute compatibility should be verified for your specific system.
Is 30-298-142-04 still available?
30-298-142-04 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