PartsTable
Technical Data Sheet
125-0500MDP ✓ 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 MINIMUM IN, material: STEEL COMP 302 OVERALL, overall_length: 0.500 INCHES NOMINAL IN, style_designator: COILED, expanded_diameter: 0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-059-7666, 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
125-0500MDP
NSN: 5315-01-059-7666
FSC: 5315
CAGE: 00287 — SPIROL INTERNATIONAL CORPORATION (USA)
SPECIFICATIONS
diameter0.125 INCHES MINIMUM IN
materialSTEEL COMP 302 OVERALL
overall_length0.500 INCHES NOMINAL IN
style_designatorCOILED
expanded_diameter0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-059-7666
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 125-0500MDP · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL: STEEL COMP 302 OVERALL
STYLE DESIGNATOR: COILED
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
EXPANDED DIAMETER: 0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
DIAMETER: 0.125 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OVERALL
STYLE DESIGNATORCOILED
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
EXPANDED DIAMETER0.131 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
DIAMETER0.125 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MIL-P10971EInterchangeable
interchangeable cross-reference
interchangeable
NAS1407N7M13Interchangeable
interchangeable cross-reference
interchangeable
11098Interchangeable
interchangeable cross-reference
interchangeable
311098-999Interchangeable
interchangeable cross-reference
interchangeable
311098-110-999Interchangeable
interchangeable cross-reference
interchangeable
NAS561-3-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125-0500MDP?
125-0500MDP is a PIN,SPRING.
What parts can replace 125-0500MDP?
There are 17 known substitutes for 125-0500MDP: MIL-P10971E, NAS1407N7M13, 11098 and 14 more. Substitute compatibility should be verified for your specific system.
Is 125-0500MDP still available?
125-0500MDP is currently cancelled.
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