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315763 — SPRING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

315763: SPRING.

The SPRING is a the manufacturer industrial component. Key specifications include material: STEEL, construction: ONE-PIECE, hole_diameter: 0.531 INCHES NOMINAL IN, overall_width: 6.000 INCHES NOMINAL IN, style_designator: NON-CIRCULAR W/APERTURE, aperture_diameter: 4.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-663-3418, 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
315763
NSN: 5365-00-663-3418
NIINs: 006633418, 010786280
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL
constructionONE-PIECE
hole_diameter0.531 INCHES NOMINAL IN
overall_width6.000 INCHES NOMINAL IN
style_designatorNON-CIRCULAR W/APERTURE
aperture_diameter4.031 INCHES NOMINAL IN
bolt_hole_quantity4
bolt_circle_diameter5.000 INCHES NOMINAL IN
outside_corner_radius0.500 INCHES NOMINAL IN
outside_corner_inverted_radius0.250 INCHES NOMINAL IN
side_radius_from_gasket_center2.500 INCHES NOMINAL IN
NSN5365-00-663-3418
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPRING TITLE COMPONENT PN 315763 MFR SPRING
KEY FEATURES
•
SIDE RADIUS FROM GASKET CENTER: 2.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR W/APERTURE
•
OUTSIDE CORNER INVERTED RADIUS: 0.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.031 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 5.000 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SIDE RADIUS FROM GASKET CENTER2.500 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR W/APERTURE
OVERALL WIDTH6.000 INCHES NOMINAL IN
OUTSIDE CORNER INVERTED RADIUS0.250 INCHES NOMINAL IN
APERTURE DIAMETER4.031 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER5.000 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
MATERIALSTEEL
HOLE DIAMETER0.531 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
SMTB2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
31D08Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 315763?
315763 is a SPRING.
What parts can replace 315763?
There are 2 known substitutes for 315763: SMTB2, 31D08. Substitute compatibility should be verified for your specific system.
What is the NSN for 315763?
315763 is cataloged in the U.S. Government catalog under NSN 5365-00-663-3418. 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.