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PartsTable / COMPONENT / 59-028-125-1000
59-028-125-1000 ✓ 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 PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.125 INCHES NOMINAL IN, material: STEEL COMP 1095 OVERALL, overall_length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, material_thickness: 0.028 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 5315-00-271-3003, 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
59-028-125-1000
NSN: 5315-00-271-3003
FSC: 5315
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
diameter0.125 INCHES NOMINAL IN
materialSTEEL COMP 1095 OVERALL
overall_length0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
material_thickness0.028 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND A COMPOSITION
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-271-3003
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 59-028-125-1000 · 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
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
•
DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A COMPOSITION
•
MATERIAL: STEEL COMP 1095 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
OVERALL LENGTH0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN
STYLE DESIGNATORSLOTTED
MATERIAL THICKNESS0.028 INCHES NOMINAL IN
DIAMETER0.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A COMPOSITION
MATERIALSTEEL COMP 1095 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
NAS56156-12Interchangeable
interchangeable cross-reference
interchangeable
0495-110Interchangeable
interchangeable cross-reference
interchangeable
915989Interchangeable
interchangeable cross-reference
interchangeable
52-040-187-0687Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-10971Interchangeable
interchangeable cross-reference
interchangeable
NAS561-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 59-028-125-1000?
59-028-125-1000 is a PIN,SPRING.
What parts can replace 59-028-125-1000?
There are 19 known substitutes for 59-028-125-1000: NAS56156-12, 0495-110, 915989 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 59-028-125-1000?
59-028-125-1000 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-271-3003. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026