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PartsTable / COMPONENT / A2303-12-52PC118
A2303-12-52PC118 ✓ 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 material: STEEL BODY, leg_length: 0.406 INCHES NOMINAL IN, overall_length: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-639-9654, 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
A2303-12-52PC118
NSN: 4730-00-639-9654
FSC: 4730
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.406 INCHES NOMINAL IN
overall_length1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentCADMIUM BODY
nominal_thread_size0.250 INCHES ALL ENDS IN
quick_disconnect_methodTWIST-LOCK ALL ENDS
thread_series_designatorNPTF ALL ENDS
quick_disconnect_nominal_size0.375 INCHES ALL ENDS IN
NSN4730-00-639-9654
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A2303-12-52PC118 · 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
KEY FEATURES
•
QUICK DISCONNECT NOMINAL SIZE: 0.375 INCHES ALL ENDS IN
•
LEG LENGTH: 0.406 INCHES NOMINAL IN
•
CONNECTION STYLE: PLAIN ALL ENDS
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
QUICK DISCONNECT NOMINAL SIZE0.375 INCHES ALL ENDS IN
LEG LENGTH0.406 INCHES NOMINAL IN
CONNECTION STYLEPLAIN ALL ENDS
THREAD SERIES DESIGNATORNPTF ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
STYLE DESIGNATORMALE COUPLING HALF
MATERIALSTEEL BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2885038Interchangeable
interchangeable cross-reference
interchangeable
3000-53-8Interchangeable
interchangeable cross-reference
interchangeable
CP16Interchangeable
interchangeable cross-reference
interchangeable
81464Interchangeable
interchangeable cross-reference
interchangeable
620Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A2303-12-52PC118?
A2303-12-52PC118 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace A2303-12-52PC118?
There are 15 known substitutes for A2303-12-52PC118: 2885038, 3000-53-8, CP16 and 12 more. Substitute compatibility should be verified for your specific system.
Is A2303-12-52PC118 still available?
A2303-12-52PC118 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026