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5819857 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5819857: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: DOUBLE LEG OFFSET, usage_design: EXTERNAL OR INTERNAL, outside_diameter: 4.700 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN, material_diameter: 0.063 INCHES NOMINAL IN, surface_treatment: PHOSPHATE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-326-8974, 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
5819857
NSN: 5325-01-326-8974
FSC: 5325 — Fastening Devices
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
ring_styleDOUBLE LEG OFFSET
usage_designEXTERNAL OR INTERNAL
outside_diameter4.700 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN
material_diameter0.063 INCHES NOMINAL IN
surface_treatmentPHOSPHATE
casehardening_indicatorNOT CASEHARDENED
end_item_identificationAFTERBODY SECTION,TORPEDO MK50
cross-sectional_shape_styleROUND
NSN5325-01-326-8974
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5819857 · 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 OR INTERNAL
•
MATERIAL DIAMETER: 0.063 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 4.700 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: DOUBLE LEG OFFSET
•
SURFACE TREATMENT: PHOSPHATE
TECHNICAL CHARACTERISTICS
USAGE DESIGNEXTERNAL OR INTERNAL
MATERIAL DIAMETER0.063 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER4.700 INCHES MINIMUM AND 4.800 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEDOUBLE LEG OFFSET
SURFACE TREATMENTPHOSPHATE
END ITEM IDENTIFICATIONAFTERBODY SECTION,TORPEDO MK50
MATERIALSTEEL
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

No substitute or cross-reference records for this part.

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 5819857?
5819857 is a RING,RETAINING.
What is the NSN for 5819857?
5819857 is cataloged in the U.S. Government catalog under NSN 5325-01-326-8974. 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.