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1854W257 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1854W257: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, end_style: VERTEX OUTSIDE PERIPHERY, ring_style: STRAIGHT GAP, usage_design: EXTERNAL, inside_diameter: 2.000 INCHES NOMINAL IN, major_thickness: 0.0895 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-820-8064, 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
1854W257
NSN: 5325-00-820-8064
FSC: 5325 — Fastening Devices
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL
end_styleVERTEX OUTSIDE PERIPHERY
ring_styleSTRAIGHT GAP
usage_designEXTERNAL
inside_diameter2.000 INCHES NOMINAL IN
major_thickness0.0895 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
outside_diameter2.375 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleRECTANGULAR
NSN5325-00-820-8064
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1854W257 · 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 HARDNESS RATING: 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
END STYLE: VERTEX OUTSIDE PERIPHERY
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 2.375 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.0895 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
END STYLEVERTEX OUTSIDE PERIPHERY
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER2.375 INCHES NOMINAL IN
MAJOR THICKNESS0.0895 INCHES MINIMUM AND 0.0935 INCHES MAXIMUM IN
INSIDE DIAMETER2.000 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLESTRAIGHT GAP
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 6
16712P11Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
136239Reference document
Same NSN cross-reference
Reference document — Secondary reference
49044-061Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
73087Reference document
Same NSN cross-reference
Reference document — Secondary reference
2034751Reference document
Same NSN cross-reference
Reference document — Secondary reference
28538Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1854W257?
1854W257 is a RING,RETAINING.
What parts can replace 1854W257?
There are 6 known substitutes for 1854W257: 16712P11, 136239, 49044-061 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1854W257?
1854W257 is cataloged in the U.S. Government catalog under NSN 5325-00-820-8064. 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.