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Technical Data Sheet
PartsTable / COMPONENT / CS4730-0120A04ELPQ
CS4730-0120A04ELPQ ✓ 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 BRAZING ALLOY,SILVER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.180 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET W/ GROVE (PIPE) ALL ENDS, special_features: GROOVED W/BRAZING RING SEPARATELY ATTACHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5143, 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
CS4730-0120A04ELPQ
NSN: 4730-00-542-5143
FSC: 4730
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
flow_angle90.0 DEGREES
leg_length1.180 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET W/ GROVE (PIPE) ALL ENDS
special_featuresGROOVED W/BRAZING RING SEPARATELY ATTACHED
operating_pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
maximum_operating_temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
end_item_identificationA8N AIR COMPRESSORS, HIGH PRESSURE
media_for_which_designedSTEAM FIRST RESPONSE
specification/standard_data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
furnished_items_and_quantity2 BRAZING RING
NSN4730-00-542-5143
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS4730-0120A04ELPQ · 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
•
MEDIA FOR WHICH DESIGNED: STEAM FIRST RESPONSE
•
FURNISHED ITEMS AND QUANTITY: 2 BRAZING RING
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-F-1183H GOVERNMENT SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
FURNISHED ITEMS AND QUANTITY2 BRAZING RING
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
SPECIFICATION/STANDARD DATA81349-MIL-F-1183H GOVERNMENT SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC 1ST MATERIAL RESPONSE OR ASTM-B61 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MATERIALCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
SPECIAL FEATURESGROOVED W/BRAZING RING SEPARATELY ATTACHED
FLOW ANGLE90.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
405850-59LInterchangeable
interchangeable cross-reference
interchangeable
S-3605Interchangeable
interchangeable cross-reference
interchangeable
3287986REVBPC09Interchangeable
interchangeable cross-reference
interchangeable
36051Interchangeable
px12-400r 24TB
interchangeable
M1183/5-04-AInterchangeable
interchangeable cross-reference
interchangeable
MILF1183Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS4730-0120A04ELPQ?
CS4730-0120A04ELPQ is a BRAZING ALLOY,SILVER.
What parts can replace CS4730-0120A04ELPQ?
There are 10 known substitutes for CS4730-0120A04ELPQ: 405850-59L, S-3605, 3287986REVBPC09 and 7 more. Substitute compatibility should be verified for your specific system.
Is CS4730-0120A04ELPQ still available?
CS4730-0120A04ELPQ 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