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105503 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
KitchenAid · HOSE FITTING
PRODUCT OVERVIEW

105503: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a KitchenAid industrial component. Key specifications include material: COPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, special_features: SUPPOTS CLARK MODEL 290M;TRACTOR,WHEELD,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-427-3405, 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
105503
NSN: 4730-00-427-3405
NIINs: 004273405, 007061228, 012917740, 015595224
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OR COPPER ALLOY 377 OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
special_featuresSUPPOTS CLARK MODEL 290M;TRACTOR,WHEELD,IND.,DIESEL DRIVEN;MED DBP,NSN 2420000889384,W/ROPS NSN 2420010590090 W
nominal_thread_size0.750 INCHES SECOND END IN
nominal_overall_length2.062 INCHES IN
end_item_identification105514
thread_series_designatorNPTF SECOND END
nondefinitive_spec/std_data1A FIGURE A
specification/standard_data96906-MS35869 GOVERNMENT STANDARD AND 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-427-3405
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 105503 · KitchenAid ⚠ 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
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 2.062 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH2.062 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
SEAT ANGLE45.0 DEGREES FIRST END
SUBSTITUTES & CROSS-REFERENCES 7
816569Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
2000-12-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
J513Reference document
Same NSN cross-reference
Reference document — Secondary reference
101-24010Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
SAE-J513Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
0104-12-10BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 105503?
105503 is a ADAPTER,STRAIGHT,PIPE TO TUBE manufactured by KitchenAid.
What parts can replace 105503?
There are 7 known substitutes for 105503: 816569, 2000-12-10, J513 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 105503?
105503 is cataloged in the U.S. Government catalog under NSN 4730-00-427-3405. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.