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GR840J505 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

GR840J505: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_style: VERTEX CENTER OR ABOVE, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 0.485 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN, outside_diameter: 0.623 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-053-7162, 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
GR840J505
NSN: 5325-01-053-7162
FSC: 5325 — Fastening Devices
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_styleVERTEX CENTER OR ABOVE
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter0.485 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
outside_diameter0.623 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN
material_diameter0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-01-053-7162
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: GR840J505 · 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
•
END STYLE: VERTEX CENTER OR ABOVE
•
MATERIAL DIAMETER: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.623 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.485 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: STRAIGHT GAP
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL
END STYLEVERTEX CENTER OR ABOVE
MATERIAL DIAMETER0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.623 INCHES MINIMUM AND 0.675 INCHES MAXIMUM IN
INSIDE DIAMETER0.485 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
SURFACE TREATMENTCADMIUM AND CHROMATE
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 1
204A511-P0AReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 GR840J505?
GR840J505 is a RING,RETAINING.
What parts can replace GR840J505?
There is 1 known substitute for GR840J505: 204A511-P0A. Substitute compatibility should be verified for your specific system.
What is the NSN for GR840J505?
GR840J505 is cataloged in the U.S. Government catalog under NSN 5325-01-053-7162. 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.