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PartsTable / COMPONENT / Q40SP125-016
Q40SP125-016 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1095 OVERALL, first_end_style: SQUARE, pin_overall_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, pin_overall_diameter: 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN, material_document_and_classification: AMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL, second_end_relationship_with_first_end: IDENTICAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-200-7950, 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
Q40SP125-016
NSN: 5315-00-200-7950
FSC: 5315
CAGE: 15090 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1095 OVERALL
first_end_styleSQUARE
pin_overall_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
pin_overall_diameter0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
material_document_and_classificationAMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-200-7950
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Q40SP125-016 · 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
•
PIN OVERALL LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1095 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: SQUARE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PIN OVERALL LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1095 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5132 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLESQUARE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL DIAMETER0.1245 INCHES MINIMUM AND 0.1255 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS51838-86Interchangeable
interchangeable cross-reference
interchangeable
AN150258Interchangeable
interchangeable cross-reference
interchangeable
60275Interchangeable
interchangeable cross-reference
interchangeable
A2622AInterchangeable
interchangeable cross-reference
interchangeable
9B586Interchangeable
interchangeable cross-reference
interchangeable
A1891Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Q40SP125-016?
Q40SP125-016 is a PIN,STRAIGHT,HEADLESS.
What parts can replace Q40SP125-016?
There are 12 known substitutes for Q40SP125-016: MS51838-86, AN150258, 60275 and 9 more. Substitute compatibility should be verified for your specific system.
Is Q40SP125-016 still available?
Q40SP125-016 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