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Technical Data Sheet
PartsTable / COMPONENT / 3004120PC391
3004120PC391 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1065, ring_style: EXTERNAL, usage_design: EXTERNAL, inside_diameter: 0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN, major_thickness: 0.044 INCHES NOMINAL IN, casehardening_indicator: NOT CASEHARDENED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-285-7126, 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
3004120PC391
NSN: 5325-00-285-7126
FSC: 5325
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1065
ring_styleEXTERNAL
usage_designEXTERNAL
inside_diameter0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN
major_thickness0.044 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationQQ-S-633 AMEND. 2 FS-1065 FED SPEC SINGLE MATERIAL RESPONSE
NSN5325-00-285-7126
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3004120PC391 · 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
•
MATERIAL: STEEL COMP 1065
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 AMEND. 2 FS-1065 FED SPEC SINGLE MATERIAL RESPONSE
•
MAJOR THICKNESS: 0.044 INCHES NOMINAL IN
•
USAGE DESIGN: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
INSIDE DIAMETER: 0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN
•
RING STYLE: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1065
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 AMEND. 2 FS-1065 FED SPEC SINGLE MATERIAL RESPONSE
MAJOR THICKNESS0.044 INCHES NOMINAL IN
USAGE DESIGNEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
INSIDE DIAMETER0.712 INCHES MINIMUM AND 0.727 INCHES MAXIMUM IN
RING STYLEEXTERNAL
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
986-53Interchangeable
interchangeable cross-reference
interchangeable
518-279Interchangeable
interchangeable cross-reference
interchangeable
5100-78ZDInterchangeable
interchangeable cross-reference
interchangeable
JHP111-57Interchangeable
interchangeable cross-reference
interchangeable
1115510Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3004120PC391?
3004120PC391 is a RING,RETAINING.
What parts can replace 3004120PC391?
There are 5 known substitutes for 3004120PC391: 986-53, 518-279, 5100-78ZD and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3004120PC391?
3004120PC391 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-285-7126. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026