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AA5253 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include end_item_identification: F-22 AIRCRAFT, part_name_assigned_by_controlling_agency: FITTING,QD,MALE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-498-6258, 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
AA5253
NSN: 4730-01-498-6258
FSC: 4730
CAGE: 12867 — GSE HOLDINGS INC. DBA ITW MILITARY GSE DIV HOBART GROUND SYSTEMS (USA)
SPECIFICATIONS
end_item_identificationF-22 AIRCRAFT
part_name_assigned_by_controlling_agencyFITTING,QD,MALE
NSN4730-01-498-6258
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA5253 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYFITTING,QD,MALE
END ITEM IDENTIFICATIONF-22 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
12527Interchangeable
interchangeable cross-reference
interchangeable
V96-5048SUB4Interchangeable
interchangeable cross-reference
interchangeable
5411Interchangeable
interchangeable cross-reference
interchangeable
1135-36-46Interchangeable
interchangeable cross-reference
interchangeable
1F4519Interchangeable
interchangeable cross-reference
interchangeable
34228-503PC17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA5253?
AA5253 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA5253?
There are 11 known substitutes for AA5253: 12527, V96-5048SUB4, 5411 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA5253?
AA5253 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-498-6258. 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