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Technical Data Sheet
PartsTable / COMPONENT / AN917-2
AN917-2 ✓ 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 TEE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, nominal_thread_size: 0.250 INCHES ALL ENDS IN, end_item_identification: N00383&73&G36, thread_series_designator: NPTF ALL ENDS, part_name_assigned_by_controlling_agency: TEE FITTING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-3990, 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
AN917-2
NSN: 4730-00-278-3990
FSC: 4730
CAGE: 22995 — CROWN FITTING CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
nominal_thread_size0.250 INCHES ALL ENDS IN
end_item_identificationN00383&73&G36
thread_series_designatorNPTF ALL ENDS
part_name_assigned_by_controlling_agencyTEE FITTING
NSN4730-00-278-3990
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN917-2 · 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
•
LEG LENGTH: 0.891 INCHES MINIMUM AND 0.938 INCHES MAXIMUM ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
THREAD SERIES DESIGNATOR: ANPT ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH0.891 INCHES MINIMUM AND 0.938 INCHES MAXIMUM ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORANPT ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
END ITEM IDENTIFICATIONGRUMMAN A-10 ACFT
MATERIALCOPPER ALLOY OVERALL
SPECIFICATION/STANDARD DATA81343-AS4857 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
AS4842Interchangeable
interchangeable cross-reference
interchangeable
AN917-3JInterchangeable
interchangeable cross-reference
interchangeable
AS4857J03Interchangeable
interchangeable cross-reference
interchangeable
AS4857-03Interchangeable
interchangeable cross-reference
interchangeable
AS4857Interchangeable
interchangeable cross-reference
interchangeable
AN917-8DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN917-2?
AN917-2 is a TEE,PIPE.
What parts can replace AN917-2?
There are 22 known substitutes for AN917-2: AS4842, AN917-3J, AS4857J03 and 19 more. Substitute compatibility should be verified for your specific system.
Is AN917-2 still available?
AN917-2 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