PartsTable
Technical Data Sheet
203830PC403 ✓ 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

ADAPTER,STRAIGHT,FLANGE TO HOSE. Key specifications include material: NICKEL ALLOY BODY, flow_angle: 90.0 DEGREES, leg_length: 4.520 INCHES NOMINAL FIRST END IN, connection_style: GRIPPING NIPPLE (NOSE) FIRST END, furnished_items_and_quantity: 2 SOCKET, material_document_and_classification: QQ-N-281,CLASS A OR B FED STD 1ST MATERIAL RESPONSE BODY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-072-8412, 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
203830PC403
NSN: 4730-00-072-8412
FSC: 4730
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
flow_angle90.0 DEGREES
leg_length4.520 INCHES NOMINAL FIRST END IN
connection_styleGRIPPING NIPPLE (NOSE) FIRST END
furnished_items_and_quantity2 SOCKET
material_document_and_classificationQQ-N-281,CLASS A OR B FED STD 1ST MATERIAL RESPONSE BODY
nominal_inside_diameter_hose_accommodated0.750 INCHES FIRST END IN
nominal_outside_diameter_hose_accommodated1.250 INCHES FIRST END IN
NSN4730-00-072-8412
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 203830PC403 · 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
FURNISHED ITEMS AND QUANTITY: 2 SOCKET
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281,CLASS A OR B FED STD 1ST MATERIAL RESPONSE BODY
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED: 1.250 INCHES FIRST END IN
CONNECTION STYLE: GRIPPING NIPPLE (NOSE) FIRST END
MATERIAL: STEEL COMP 1213 SOCKET
LEG LENGTH: 4.520 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
FURNISHED ITEMS AND QUANTITY2 SOCKET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A OR B FED STD 1ST MATERIAL RESPONSE BODY
NOMINAL OUTSIDE DIAMETER HOSE ACCOMMODATED1.250 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI C1113 OR SAE 1113 FED STD 2ND MATERIAL RESPONSE SOCKET
CONNECTION STYLEGRIPPING NIPPLE (NOSE) FIRST END
MATERIALSTEEL COMP 1213 SOCKET
LEG LENGTH4.520 INCHES NOMINAL FIRST END IN
MATERIALNICKEL ALLOY BODY
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.750 INCHES FIRST END IN
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
206-8Interchangeable
interchangeable cross-reference
interchangeable
2666-8Interchangeable
interchangeable cross-reference
interchangeable
M24135/12-8Interchangeable
interchangeable cross-reference
interchangeable
109976AInterchangeable
interchangeable cross-reference
interchangeable
FC300-04Interchangeable
interchangeable cross-reference
interchangeable
M24135/12-04Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203830PC403?
203830PC403 is a ADAPTER,STRAIGHT,FLANGE TO HOSE.
What parts can replace 203830PC403?
There are 18 known substitutes for 203830PC403: 206-8, 2666-8, M24135/12-8 and 15 more. Substitute compatibility should be verified for your specific system.
Is 203830PC403 still available?
203830PC403 is currently cancelled.
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