Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.5620 INCHES NOMINAL IN, bore_diameter: 0.3760 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN, overall_height: 0.5000 INCHES NOMINAL IN, special_features: NOT CASEHARDENED;MATL-STEEL QQ-S-637 COMP B1112. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-358-3453, 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
1A4714
NSN:5340-00-358-3453 FSC:5340 CAGE:95201 — NAPCO INTERNATIONAL LLC DBA NAPCO INTERNATIONAL INC (USA)
SPECIFICATIONS
material
STEEL
design_type
SOLID
end_diameter
0.5620 INCHES NOMINAL IN
bore_diameter
0.3760 INCHES MINIMUM AND 0.3780 INCHES MAXIMUM IN
overall_height
0.5000 INCHES NOMINAL IN
special_features
NOT CASEHARDENED;MATL-STEEL QQ-S-637 COMP B1112
style_designator
SEAT
first_step_length
0.2810 INCHES NOMINAL IN
counterbore_length
0.2500 INCHES NOMINAL IN
first_step_diameter
0.8960 INCHES MINIMUM AND 0.9060 INCHES MAXIMUM IN
counterbore_diameter
0.7400 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
fsc_application_data
BLOCK ASSEMBLIES,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES
NSN
5340-00-358-3453
COMPONENT DIAGRAM
KEY FEATURES
•
FIRST STEP DIAMETER: 0.8960 INCHES MINIMUM AND 0.9060 INCHES MAXIMUM IN
•
SECOND STEP DIAMETER: 1.1880 INCHES NOMINAL IN
•
FIRST STEP LENGTH: 0.2810 INCHES NOMINAL IN
•
FSC APPLICATION DATA: BLOCK ASSEMBLIES,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES
•
DISTANCE FROM END TO FIRST STEP: 0.1250 INCHES NOMINAL IN
•
COUNTERBORE LENGTH: 0.2500 INCHES NOMINAL IN
•
END DIAMETER: 0.5620 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS (FLIS)
FIRST STEP DIAMETER
0.8960 INCHES MINIMUM AND 0.9060 INCHES MAXIMUM IN
SECOND STEP DIAMETER
1.1880 INCHES NOMINAL IN
FIRST STEP LENGTH
0.2810 INCHES NOMINAL IN
FSC APPLICATION DATA
BLOCK ASSEMBLIES,GASOLINE RECIPROCATING ENGINE,EXCEPT AIRCRAFT PRIME MOVING AND STARTING ENGINE TYPES