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D3020-0 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

D3020-0: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY, usage_design: EXTERNAL, inside_diameter: 0.260 INCHES NOMINAL IN, major_thickness: 0.040 INCHES NOMINAL IN, outside_diameter: 0.450 INCHES NOMINAL IN, surface_treatment: PASSIVATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-157-2096, 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
D3020-0
NSN: 5325-01-157-2096
FSC: 5325 — Fastening Devices
CAGE: 97928 — HUCK INTL INC (USA)
SPECIFICATIONS
materialCOBALT ALLOY
usage_designEXTERNAL
inside_diameter0.260 INCHES NOMINAL IN
major_thickness0.040 INCHES NOMINAL IN
outside_diameter0.450 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED OUTSIDE CORNERS
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5325-01-157-2096
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: D3020-0 · 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: EXTERNAL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED OUTSIDE CORNERS
•
OUTSIDE DIAMETER: 0.450 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.040 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.260 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED OUTSIDE CORNERS
OUTSIDE DIAMETER0.450 INCHES NOMINAL IN
MAJOR THICKNESS0.040 INCHES NOMINAL IN
INSIDE DIAMETER0.260 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
SURFACE TREATMENTPASSIVATE
MATERIALCOBALT ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
S-1231-D 3020-0Reference document
Same NSN cross-reference
Reference document — Secondary 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 D3020-0?
D3020-0 is a RING,RETAINING.
What parts can replace D3020-0?
There is 1 known substitute for D3020-0: S-1231-D 3020-0. Substitute compatibility should be verified for your specific system.
What is the NSN for D3020-0?
D3020-0 is cataloged in the U.S. Government catalog under NSN 5325-01-157-2096. 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.