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Technical Data Sheet
PartsTable / COMPONENT / MIL-P-10971 TY1CPA
MIL-P-10971 TY1CPA ✓ 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: 0.321 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL, overall_length: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN, shear_strength: 11500 DOUBLE POUND, hardness_rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SLOTTED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-058-9782, 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-P-10971 TY1CPA
NSN: 5315-00-058-9782
FSC: 5315
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
diameter0.321 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
materialSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
overall_length1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
shear_strength11500 DOUBLE POUND
hardness_rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSLOTTED
surface_treatmentCADMIUM AND CHROMATE OVERALL
material_thickness0.048 INCHES MINIMUM IN
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-058-9782
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MIL-P-10971 TY1CPA · 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
•
MATERIAL: STEEL COMP 410 OR STEEL COMP 420 OVERALL
•
SHEAR STRENGTH: 4400 DOUBLE POUND
•
DIAMETER: 0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMRAP RG-33; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
MATERIALSTEEL COMP 410 OR STEEL COMP 420 OVERALL
OVERALL LENGTH0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
SHEAR STRENGTH4400 DOUBLE POUND
DIAMETER0.194 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORSLOTTED
SURFACE TREATMENTPASSIVATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
HARDNESS RATING43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
589782Interchangeable
interchangeable cross-reference
interchangeable
MIL-P-10971 TY1CPAInterchangeable
interchangeable cross-reference
interchangeable
MIL-P-10971Interchangeable
interchangeable cross-reference
interchangeable
NASM10971Interchangeable
interchangeable cross-reference
interchangeable
52-040-187-0687Interchangeable
interchangeable cross-reference
interchangeable
NAS561-11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-P-10971 TY1CPA?
MIL-P-10971 TY1CPA is a PIN,SPRING.
What parts can replace MIL-P-10971 TY1CPA?
There are 23 known substitutes for MIL-P-10971 TY1CPA: 589782, MIL-P-10971 TY1CPA, MIL-P-10971 and 20 more. Substitute compatibility should be verified for your specific system.
Is MIL-P-10971 TY1CPA still available?
MIL-P-10971 TY1CPA 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