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PartsTable / COMPONENT / A64048 ITEM 21
A64048 ITEM 21 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RING,RETAINING is a the manufacturer industrial component. Key specifications include inside_diameter: 2.347 INCHES NOMINAL IN, outside_diameter: 2.500 INCHES NOMINAL IN, end_item_identification: HIFR CCR NOZZLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-547-2758, 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
A64048 ITEM 21
NSN: 5325-01-547-2758
FSC: 5325
CAGE: 0DT23 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
inside_diameter2.347 INCHES NOMINAL IN
outside_diameter2.500 INCHES NOMINAL IN
end_item_identificationHIFR CCR NOZZLE
NSN5325-01-547-2758
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A64048 ITEM 21 · 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: 2.500 INCHES NOMINAL IN
•
INSIDE DIAMETER: 2.347 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER2.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONHIFR CCR NOZZLE
INSIDE DIAMETER2.347 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
P220096Interchangeable
interchangeable cross-reference
interchangeable
220096Interchangeable
interchangeable cross-reference
interchangeable
M220096Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A64048 ITEM 21?
A64048 ITEM 21 is a RING,RETAINING.
What parts can replace A64048 ITEM 21?
There are 3 known substitutes for A64048 ITEM 21: P220096, 220096, M220096. Substitute compatibility should be verified for your specific system.
What is the NSN for A64048 ITEM 21?
A64048 ITEM 21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-547-2758. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026