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1019-904 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1019-904: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302, ring_style: SPIRAL, usage_design: EXTERNAL, inside_diameter: 0.451 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN, major_thickness: 0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN, strength_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-840-5845, 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
1019-904
NSN: 5325-00-840-5845
NIINs: 008405845, 013114086
FSC: 5325 — Fastening Devices
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 302
ring_styleSPIRAL
usage_designEXTERNAL
inside_diameter0.451 INCHES MINIMUM AND 0.464 INCHES MAXIMUM IN
major_thickness0.033 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN
strength_ratingERR-060
outside_diameter0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleDOUBLE OVAL
NSN5325-00-840-5845
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1019-904 · 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
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
OUTSIDE DIAMETER: 0.541 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.035 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.451 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
RING STYLE: SPECIAL FLAT
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
USAGE DESIGNINTERNAL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
OUTSIDE DIAMETER0.541 INCHES NOMINAL IN
MAJOR THICKNESS0.035 INCHES NOMINAL IN
INSIDE DIAMETER0.451 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESPECIAL FLAT
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 2
52-10507Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
88-8TMReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1019-904?
1019-904 is a RING,RETAINING.
What parts can replace 1019-904?
There are 2 known substitutes for 1019-904: 52-10507, 88-8TM. Substitute compatibility should be verified for your specific system.
What is the NSN for 1019-904?
1019-904 is cataloged in the U.S. Government catalog under NSN 5325-00-840-5845. 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.