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PartsTable / COMPONENT / NAS1057T4-006
NAS1057T4-006 ✓ 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 COMP 303 OVERALL, thickness: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN, hole_diameter: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, overall_diameter: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-837-4610, 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
NAS1057T4-006
NSN: 5310-00-837-4610
FSC: 5310
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thickness0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
hole_diameter0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
overall_diameter0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-837-4610
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NAS1057T4-006 · 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: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
OVERALL DIAMETER: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
THICKNESS: 0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
PERIPHERAL SHAPE STYLEROUND
OVERALL DIAMETER0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN
MATERIALSTEEL COMP 303 OVERALL
THICKNESS0.058 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
S8157N278-063Interchangeable
interchangeable cross-reference
interchangeable
3454-SS-062Interchangeable
interchangeable cross-reference
interchangeable
B3-16Interchangeable
interchangeable cross-reference
interchangeable
237Interchangeable
interchangeable cross-reference
interchangeable
T0805Interchangeable
interchangeable cross-reference
interchangeable
2142Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1057T4-006?
NAS1057T4-006 is a WASHER,FLAT.
What parts can replace NAS1057T4-006?
There are 16 known substitutes for NAS1057T4-006: S8157N278-063, 3454-SS-062, B3-16 and 13 more. Substitute compatibility should be verified for your specific system.
Is NAS1057T4-006 still available?
NAS1057T4-006 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