PartsTable
Technical Data Sheet
03157 ✓ 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 NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: KNURLED, nut_diameter: 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN, thread_class: 1B, nut_thickness: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN, thread_series: UNEF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-727-6530, 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
03157
NSN: 5310-00-727-6530
FSC: 5310
CAGE: 14153 — DEFENSE LOGISTICS AGENCY DBA DEFENSE SUPPLY CENTER PHILADELPHIA (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleKNURLED
nut_diameter1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN
thread_class1B
nut_thickness0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
nominal_thread_size0.875 INCHES IN
thread_quantity_per_inch20
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-727-6530
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03157 · 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
NUT THICKNESS: 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
THREAD CLASS: 1B
THREAD SERIES: UNEF
NOMINAL THREAD SIZE: 0.875 INCHES IN
NUT STYLE: KNURLED
NUT DIAMETER: 1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
NUT THICKNESS0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN
THREAD CLASS1B
THREAD SERIESUNEF
NOMINAL THREAD SIZE0.875 INCHES IN
NUT STYLEKNURLED
NUT DIAMETER1.057 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
GK6845BInterchangeable
interchangeable cross-reference
interchangeable
6205-2ZJTEInterchangeable
interchangeable cross-reference
interchangeable
06771DD0FInterchangeable
interchangeable cross-reference
interchangeable
18-165Interchangeable
interchangeable cross-reference
interchangeable
263-15-00061Interchangeable
interchangeable cross-reference
interchangeable
40321Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 03157?
03157 is a NUT,PLAIN,KNURLED.
What parts can replace 03157?
There are 8 known substitutes for 03157: GK6845B, 6205-2ZJTE, 06771DD0F and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 03157?
03157 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-727-6530. This indicates validated use in U.S. government and defense supply chains.
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