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1-300-259-01 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1-300-259-01: 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: 3.721 INCHES NOMINAL IN, major_thickness: 0.059 INCHES NOMINAL IN, strength_rating: 185,000 TO 235,000. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-985-4725, 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
1-300-259-01
NSN: 5325-00-985-4725
FSC: 5325 — Fastening Devices
CAGE: 78U39 — OZARK AEROWORKS LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
ring_styleSPIRAL
usage_designINTERNAL
inside_diameter3.721 INCHES NOMINAL IN
major_thickness0.059 INCHES NOMINAL IN
strength_rating185,000 TO 235,000
outside_diameter4.157 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-985-4725
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-300-259-01 · 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
•
STRENGTH RATING: 185,000 TO 235,000
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 4.157 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.059 INCHES NOMINAL IN
•
INSIDE DIAMETER: 3.721 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPIRAL
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
STRENGTH RATING185,000 TO 235,000
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER4.157 INCHES NOMINAL IN
MAJOR THICKNESS0.059 INCHES NOMINAL IN
INSIDE DIAMETER3.721 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPIRAL
SURFACE TREATMENTPASSIVATE
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
3415-400SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1-300-259-01?
1-300-259-01 is a RING,RETAINING.
What parts can replace 1-300-259-01?
There is 1 known substitute for 1-300-259-01: 3415-400S. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-300-259-01?
1-300-259-01 is cataloged in the U.S. Government catalog under NSN 5325-00-985-4725. 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.