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 criticality_code_justification: ZZZY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-814-3530, 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
903- 5912049 PC20
NSN:5315-00-814-3530 FSC:5315 CAGE:80090 — CHARLESTON NAVAL SHIPYARD NAVAL BASE (USA)
SPECIFICATIONS
criticality_code_justification
ZZZY
reference_number_differentiating_characteristics
MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
NSN
5315-00-814-3530
COMPONENT DIAGRAM
KEY FEATURES
•
SHEAR STRENGTH: 2100 DOUBLE POUND
•
MATERIAL: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
•
HARDNESS RATING: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SLOTTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.028 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SHEAR STRENGTH
2100 DOUBLE POUND
MATERIAL
STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1086 OR STEEL COMP 1095 OVERALL
HARDNESS RATING
46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATOR
SLOTTED
MATERIAL DOCUMENT AND CLASSIFICATION
66 FED STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
QQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 903- 5912049 PC20?
903- 5912049 PC20 is a PIN,SPRING.
What parts can replace 903- 5912049 PC20?
There are 24 known substitutes for 903- 5912049 PC20: 59-028-125-0625, 53-028-125-0625, 95106 and 21 more. Substitute compatibility should be verified for your specific system.
Is 903- 5912049 PC20 still available?
903- 5912049 PC20 is currently cancelled.
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