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3615-20-19 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3615-20-19: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, ring_style: SPIRAL, usage_design: INTERNAL, inside_diameter: 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, major_thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, outside_diameter: 1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-406-0146, 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
3615-20-19
NSN: 5325-00-406-0146
FSC: 5325 — Fastening Devices
CAGE: 79326 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPIRAL
usage_designINTERNAL
inside_diameter1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
major_thickness0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
outside_diameter1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-406-0146
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3615-20-19 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
USAGE DESIGN: INTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
•
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN
MAJOR THICKNESS0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
INSIDE DIAMETER1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
2601731-2Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3615-20-19?
3615-20-19 is a RING,RETAINING.
What parts can replace 3615-20-19?
There is 1 known substitute for 3615-20-19: 2601731-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 3615-20-19?
3615-20-19 is cataloged in the U.S. Government catalog under NSN 5325-00-406-0146. 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.