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157158 ✓ 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 SEMICONDUCTOR DEVICE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, point_type: CONVENTIONAL, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND, flute_length: 4.875 INCHES NOMINAL IN, overall_length: 7.750 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-434-9491, 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
157158
NSN: 5315-00-434-9491
FSC: 5315
CAGE: 13002 — GOODRICH CORPORATION DIV ADVANCED STRUCTURES LANDING SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
point_typeCONVENTIONAL
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length4.875 INCHES NOMINAL IN
flute_quantity2
overall_length7.750 INCHES NOMINAL IN
shank_diameter1.500 INCHES NOMINAL IN
special_featuresSCREW MACHINE LG; FRACTIONAL SIZE 1-5/8
cutting_end_styleGENERAL PURPOSE
nominal_cutting_diameter1.6250 INCHES IN
cutting_rotation_directionRIGHT-HAND
NSN5315-00-434-9491
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 157158 · 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
•
INSIDE DIAMETER: 0.688 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PIN OVERALL LENGTH: 5.156 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 1.1290 INCHES MINIMUM AND 1.1330 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8740 OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
INSIDE DIAMETER0.688 INCHES NOMINAL IN
FIRST END STYLESQUARE
SURFACE TREATMENTCADMIUM OVERALL
PIN OVERALL LENGTH5.156 INCHES NOMINAL IN
PIN OVERALL DIAMETER1.1290 INCHES MINIMUM AND 1.1330 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8740 OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
157 1-5/8Interchangeable
interchangeable cross-reference
interchangeable
48604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 157158?
157158 is a SEMICONDUCTOR DEVICE ASSEMBLY.
What parts can replace 157158?
There are 2 known substitutes for 157158: 157 1-5/8, 48604. Substitute compatibility should be verified for your specific system.
What is the NSN for 157158?
157158 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-434-9491. 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