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PartsTable / COMPONENT / MS51923-132
MS51923-132 ✓ 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: 0.046 INCHES NOMINAL IN, material: STEEL OVERALL, overall_length: 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, style_designator: COILED, expanded_diameter: 0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-176-6821, 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
MS51923-132
NSN: 5315-00-176-6821
FSC: 5315
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
diameter0.046 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_length0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
style_designatorCOILED
expanded_diameter0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-00-176-6821
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS51923-132 · 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
•
DIAMETER: 0.046 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
STYLE DESIGNATOR: COILED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
EXPANDED DIAMETER: 0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.046 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORCOILED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
EXPANDED DIAMETER0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
OVERALL LENGTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
512923Interchangeable
interchangeable cross-reference
interchangeable
5L5141-004-55Interchangeable
interchangeable cross-reference
interchangeable
17007-1Interchangeable
interchangeable cross-reference
interchangeable
046-0312MDPInterchangeable
Same NIIN cross-reference
interchangeable
512923-001Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51923-132?
MS51923-132 is a PIN,SPRING.
What parts can replace MS51923-132?
There are 5 known substitutes for MS51923-132: 512923, 5L5141-004-55, 17007-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS51923-132?
MS51923-132 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-176-6821. 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