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Technical Data Sheet
PartsTable / COMPONENT / MIL-P10971E
MIL-P10971E ✓ 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: 0.0625 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, overall_length: 0.250 INCHES NOMINAL IN, hardness_rating: 78.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 81.5 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED, departure_from_cited_document: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-460-3000, 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
MIL-P10971E
NSN: 5315-00-460-3000
FSC: 5315
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.0625 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
overall_length0.250 INCHES NOMINAL IN
hardness_rating78.3 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 81.5 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
departure_from_cited_documentMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
departure_from_cited_designatorMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER MANIFACTIONING
material_document_and_classificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5315-00-460-3000
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-P10971E · 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
•
EXPANDED DIAMETER: 0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1407 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
STYLE DESIGNATOR: COILED
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
DIAMETER: 0.094 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
EXPANDED DIAMETER0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
OVERALL LENGTH0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA80205-NAS1407 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORCOILED
SURFACE TREATMENTPASSIVATE OVERALL
DIAMETER0.094 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MIL-P-10971EInterchangeable
interchangeable cross-reference
interchangeable
NAS561-3-20Interchangeable
interchangeable cross-reference
interchangeable
125-0500MDPInterchangeable
interchangeable cross-reference
interchangeable
21128-00345Interchangeable
interchangeable cross-reference
interchangeable
MS51923-288Interchangeable
interchangeable cross-reference
interchangeable
NAS561SF2-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-P10971E?
MIL-P10971E is a PIN,SPRING.
What parts can replace MIL-P10971E?
There are 11 known substitutes for MIL-P10971E: MIL-P-10971E, NAS561-3-20, 125-0500MDP and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-P10971E?
MIL-P10971E is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-460-3000. 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