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: SPLIT, end_diameter: 0.5760 INCHES NOMINAL IN, bore_diameter: 0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN, overall_height: 0.1850 INCHES NOMINAL IN, special_features: SPLIT 0.1250 IN.WIDE IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-517-5260, 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
31789
NSN:5340-00-517-5260 FSC:5340 CAGE:81795 — ALLIANZ SWEEPER COMPANY (USA)
SPECIFICATIONS
material
STEEL
design_type
SPLIT
end_diameter
0.5760 INCHES NOMINAL IN
bore_diameter
0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN
overall_height
0.1850 INCHES NOMINAL IN
special_features
SPLIT 0.1250 IN.WIDE IN
style_designator
SEAT
first_step_diameter
1.2187 INCHES NOMINAL IN
distance_from_end_to_first_step
0.1530 INCHES NOMINAL IN
material_document_and_classification
QQ-S-698,FSCM 81348 FED SPEC SINGLE MATERIAL RESPONSE
NSN
5340-00-517-5260
COMPONENT DIAGRAM
KEY FEATURES
•
BORE DIAMETER: 0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN
•
END DIAMETER: 0.5760 INCHES NOMINAL IN
•
DISTANCE FROM END TO FIRST STEP: 0.1530 INCHES NOMINAL IN
•
DESIGN TYPE: SPLIT
•
FIRST STEP DIAMETER: 1.2187 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
BORE DIAMETER
0.6300 INCHES MINIMUM AND 0.6400 INCHES MAXIMUM IN
END DIAMETER
0.5760 INCHES NOMINAL IN
DISTANCE FROM END TO FIRST STEP
0.1530 INCHES NOMINAL IN
SPECIAL FEATURES
SPLIT 0.1250 IN.WIDE IN
DESIGN TYPE
SPLIT
FIRST STEP DIAMETER
1.2187 INCHES NOMINAL IN
MATERIAL
STEEL
OVERALL HEIGHT
0.1850 INCHES NOMINAL IN
STYLE DESIGNATOR
SEAT
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-S-698,FSCM 81348 FED SPEC SINGLE MATERIAL RESPONSE
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FREQUENTLY ASKED QUESTIONS
What is 31789?
31789 is a SEAT,HELICAL COMPRESSION SPRING.
What parts can replace 31789?
There are 14 known substitutes for 31789: 28104, 5117061, 5175260 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31789?
31789 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-517-5260. This indicates validated use in U.S. government and defense supply chains.
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