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PartsTable / COMPONENT / M5-157A
M5-157A ✓ 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: FIBER OVERALL, thickness: 0.125 INCHES NOMINAL IN, hole_diameter: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN, overall_diameter: 1.500 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-289-1934, 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
M5-157A
NSN: 5310-01-289-1934
FSC: 5310
CAGE: 08302 — PACCAR WINCH INC DBA PACCAR WINCH DIVISION (USA)
SPECIFICATIONS
materialFIBER OVERALL
thickness0.125 INCHES NOMINAL IN
hole_diameter1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
overall_diameter1.500 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-01-289-1934
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M5-157A · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 1.500 INCHES NOMINAL IN
•
THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: FIBER OVERALL
•
HOLE DIAMETER: 1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER1.500 INCHES NOMINAL IN
THICKNESS0.125 INCHES NOMINAL IN
MATERIALFIBER OVERALL
HOLE DIAMETER1.005 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
K600-405Interchangeable
interchangeable cross-reference
interchangeable
7030050Interchangeable
interchangeable cross-reference
interchangeable
1321-0405Interchangeable
interchangeable cross-reference
interchangeable
11600Interchangeable
interchangeable cross-reference
interchangeable
MC-1Interchangeable
interchangeable cross-reference
interchangeable
395710Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5-157A?
M5-157A is a WASHER,FLAT.
What parts can replace M5-157A?
There are 17 known substitutes for M5-157A: K600-405, 7030050, 1321-0405 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5-157A?
M5-157A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-289-1934. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026