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X301-200-2555 — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

X301-200-2555: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: EXTERNAL BOWED, usage_design: EXTERNAL, end_play_takeup: 0.040 INCHES MAXIMUM IN, inside_diameter: 0.333 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN, major_thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-200-2555, 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
X301-200-2555
NSN: 5325-00-200-2555
FSC: 5325 — Fastening Devices
CAGE: A00AM — E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
SPECIFICATIONS
materialSTEEL
ring_styleEXTERNAL BOWED
usage_designEXTERNAL
end_play_takeup0.040 INCHES MAXIMUM IN
inside_diameter0.333 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
major_thickness0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
strength_ratingERR-060
surface_treatmentCADMIUM
casehardening_indicatorNOT CASEHARDENED
material_hardness_rating48.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
cross-sectional_shape_styleROUNDED CORNERS
material_document_and_classificationSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-00-200-2555
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: X301-200-2555 · 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 56.0 ROCKWELL C MAXIMUM
•
USAGE DESIGN: EXTERNAL
•
STRENGTH RATING: ERR-060
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
•
CROSS-SECTIONAL SHAPE STYLE: ROUNDED CORNERS
•
END PLAY TAKEUP: 0.040 INCHES MAXIMUM IN
•
MAJOR THICKNESS: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.333 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL HARDNESS RATING48.0 ROCKWELL C MINIMUM AND 56.0 ROCKWELL C MAXIMUM
USAGE DESIGNEXTERNAL
STRENGTH RATINGERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1065 TO 1090 ASSN STD SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLEROUNDED CORNERS
END PLAY TAKEUP0.040 INCHES MAXIMUM IN
MAJOR THICKNESS0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN
INSIDE DIAMETER0.333 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
CASEHARDENING INDICATORNOT CASEHARDENED
RING STYLEEXTERNAL BOWED
SUBSTITUTES & CROSS-REFERENCES 1
5101-37MFReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is X301-200-2555?
X301-200-2555 is a RING,RETAINING.
What parts can replace X301-200-2555?
There is 1 known substitute for X301-200-2555: 5101-37MF. Substitute compatibility should be verified for your specific system.
What is the NSN for X301-200-2555?
X301-200-2555 is cataloged in the U.S. Government catalog under NSN 5325-00-200-2555. 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.