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PartsTable / COMPONENT / 7-311112017-3
7-311112017-3 ✓ 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,BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, leg_length: 0.967 INCHES NOMINAL FIRST END IN, thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, surface_treatment: ANODIZE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-170-5319, 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
7-311112017-3
NSN: 4730-01-170-5319
FSC: 4730
CAGE: 02731 — MCDONNELL DOUGLAS HELICOPTER CO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
leg_length0.967 INCHES NOMINAL FIRST END IN
thread_class2B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
surface_treatmentANODIZE OVERALL
nominal_thread_size0.250 INCHES ALL ENDS IN
end_item_identificationDIRECT VENDOR DELIVERY (DVD), MODEL XM1117, ARMORED SECURITY VEHICLE (ASV), NSN 2320-01-437-6957, CAGE 10237, PART NUMBER 216098, TM 9-2320-307-24P, CONTRACT DAAE07-99-C-S001
media_for_which_designedFLUID SINGLE RESPONSE
thread_series_designatorUNF ALL ENDS
material_document_and_classificationQQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyUAC-IS MEYER RANGE- FT. BLISS
NSN4730-01-170-5319
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7-311112017-3 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A51K9035-1Interchangeable
interchangeable cross-reference
interchangeable
21738Interchangeable
interchangeable cross-reference
interchangeable
217383Interchangeable
interchangeable cross-reference
interchangeable
3522879Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-311112017-3?
7-311112017-3 is a TEE,BOSS.
What parts can replace 7-311112017-3?
There are 4 known substitutes for 7-311112017-3: A51K9035-1, 21738, 217383 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-311112017-3?
7-311112017-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-170-5319. 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