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E-25ST Z3X — RING,RETAINING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

E-25ST Z3X: RING,RETAINING.

The RING,RETAINING is a the manufacturer industrial component. Key specifications include inside_diameter: 0.250 INCHES NOMINAL IN, major_thickness: 0.025 INCHES NOMINAL IN, outside_diameter: 0.527 INCHES NOMINAL IN, end_item_identification: 2355-01-481-8577, part_name_assigned_by_controlling_agency: E SHAFT RINGS. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-661-4269, 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
E-25ST Z3X
NSN: 5325-01-661-4269
FSC: 5325 — Fastening Devices
CAGE: 07382 — ROTOR CLIP COMPANY, INC. (USA)
SPECIFICATIONS
ring_styleE
inside_diameter0.250 INCHES NOMINAL IN
major_thickness0.025 INCHES NOMINAL IN
outside_diameter0.527 INCHES NOMINAL IN
end_item_identification2355-01-481-8577
part_name_assigned_by_controlling_agencyE SHAFT RINGS
NSN5325-01-661-4269
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: E-25ST Z3X · 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
•
OUTSIDE DIAMETER: 0.527 INCHES NOMINAL IN
•
MAJOR THICKNESS: 0.025 INCHES NOMINAL IN
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
RING STYLE: E
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.527 INCHES NOMINAL IN
MAJOR THICKNESS0.025 INCHES NOMINAL IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
RING STYLEE
PART NAME ASSIGNED BY CONTROLLING AGENCYE SHAFT RINGS
END ITEM IDENTIFICATION2355-01-481-8577
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E-25ST Z3X?
E-25ST Z3X is a RING,RETAINING.
What is the NSN for E-25ST Z3X?
E-25ST Z3X is cataloged in the U.S. Government catalog under NSN 5325-01-661-4269. 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.