SEAT,HELICAL COMPRESSION SPRING. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 1.0000 INCHES NOMINAL IN, bore_diameter: 0.4530 INCHES NOMINAL IN, overall_height: 0.1880 INCHES NOMINAL IN, special_features: M109A3 SP HOWITZER. This part is cataloged in the U.S.
Government catalog under NSN 5340-00-179-5463, 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
7973746
NSN:5340-00-179-5463 FSC:5340 — Hardware, Commercial CAGE:19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
material
STEEL
design_type
SOLID
end_diameter
1.0000 INCHES NOMINAL IN
bore_diameter
0.4530 INCHES NOMINAL IN
overall_height
0.1880 INCHES NOMINAL IN
special_features
M109A3 SP HOWITZER
style_designator
SEAT
first_step_length
0.0940 INCHES NOMINAL IN
counterbore_length
0.0940 INCHES NOMINAL IN
first_step_diameter
1.1250 INCHES NOMINAL IN
second_end_diameter
0.8600 INCHES NOMINAL IN
counterbore_diameter
0.6400 INCHES NOMINAL IN
NSN
5340-00-179-5463
COMPONENT DIAGRAM
KEY FEATURES
•
FIRST STEP DIAMETER: 1.1250 INCHES NOMINAL IN
•
MATERIAL HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
END DIAMETER: 1.0000 INCHES NOMINAL IN
•
SECOND END DIAMETER: 0.8600 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1000 INCHES NOMINAL IN
•
DESIGN TYPE: SOLID
•
STYLE DESIGNATOR: SEAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT
0.1880 INCHES NOMINAL IN
FIRST STEP DIAMETER
1.1250 INCHES NOMINAL IN
MATERIAL HARDNESS RATING
40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
END DIAMETER
1.0000 INCHES NOMINAL IN
SECOND END DIAMETER
0.8600 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP
0.1000 INCHES NOMINAL IN
DESIGN TYPE
SOLID
STYLE DESIGNATOR
SEAT
COUNTERBORE LENGTH
0.0940 INCHES NOMINAL IN
COUNTERBORE DIAMETER
0.6400 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 7973746?
7973746 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 7973746?
There are 2 known substitutes for 7973746: 2520001795463, 1025001795463. Substitute compatibility should be verified for your specific system.
What is the NSN for 7973746?
7973746 is cataloged in the U.S. Government catalog under NSN 5340-00-179-5463. This indicates validated use in U.S. government and defense supply chains.
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