PartsTable
Technical Data Sheet
817558 ✓ 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 ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.344 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-806-6233, 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
817558
NSN: 4730-00-806-6233
FSC: 4730
CAGE: 49185 — TEREX AMERICAN CRANE CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length1.344 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.750 INCHES FIRST END BULKHEAD IN
end_item_identificationGRUMMAN A-10 AIRCRAFT
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
specification/standard_data96906-MS243934 GOVERNMENT STANDARD
NSN4730-00-806-6233
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 817558 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 11-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL: STEEL OVERALL
THREAD CLASS: 3A ALL ENDS A
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END BULKHEAD IN
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
FLOW ANGLE: 90.0 DEGREES
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION11-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
END ITEM IDENTIFICATIONGRUMMAN A-10 AIRCRAFT
THREAD CLASS3A ALL ENDS A
NOMINAL THREAD SIZE0.750 INCHES FIRST END BULKHEAD IN
CONNECTION STYLEFLARED (TUBE) ALL ENDS
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
FLOW ANGLE90.0 DEGREES
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
J514Interchangeable
interchangeable cross-reference
interchangeable
8WETX-SInterchangeable
interchangeable cross-reference
interchangeable
8-8 070701CInterchangeable
interchangeable cross-reference
interchangeable
MS24394-8Interchangeable
Same NIIN cross-reference
interchangeable
MS243934-8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 817558?
817558 is a ELBOW,TUBE.
What parts can replace 817558?
There are 5 known substitutes for 817558: J514, 8WETX-S, 8-8 070701C and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 817558?
817558 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-806-6233. This indicates validated use in U.S. government and defense supply chains.
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