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047-312MCP — PIN,SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

047-312MCP: PIN,SPRING.

The PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.045 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, overall_length: 0.312 INCHES NOMINAL IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL, style_designator: COILED, expanded_diameter: 0.052 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-955-0165, 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
047-312MCP
NSN: 5315-00-955-0165
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 00287 — SPIROL INTERNATIONAL CORPORATION (USA)
SPECIFICATIONS
diameter0.045 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
overall_length0.312 INCHES NOMINAL IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
style_designatorCOILED
expanded_diameter0.052 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
NSN5315-00-955-0165
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 047-312MCP · 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
•
EXPANDED DIAMETER: 0.052 INCHES NOMINAL IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: COILED
•
DIAMETER: 0.045 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
EXPANDED DIAMETER0.052 INCHES NOMINAL IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORCOILED
DIAMETER0.045 INCHES NOMINAL IN
OVERALL LENGTH0.312 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
SMB595940-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 047-312MCP?
047-312MCP is a PIN,SPRING.
What parts can replace 047-312MCP?
There is 1 known substitute for 047-312MCP: SMB595940-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 047-312MCP?
047-312MCP is cataloged in the U.S. Government catalog under NSN 5315-00-955-0165. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.