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Technical Data Sheet
PartsTable / COMPONENT / CS4730-0121A06GLP
CS4730-0121A06GLP ✓ 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, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET W/ GROVE (PIPE) ALL ENDS, special_features: GROOVED W/BRAZING RINGS SEPARATELY PACKAGED, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5308, 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
CS4730-0121A06GLP
NSN: 4730-00-542-5308
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
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET W/ GROVE (PIPE) ALL ENDS
special_featuresGROOVED W/BRAZING RINGS SEPARATELY PACKAGED
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
maximum_operating_temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length1.130 INCHES IN
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
specification/standard_data81349-MIL-F-1183H GOVERNMENT SPECIFICATION
furnished_items_and_quantity2 PREINSERTED RING
nominal_pipe_size_accommodated0.500 INCHES FIRST END IN
NSN4730-00-542-5308
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS4730-0121A06GLP · 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
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
MATERIAL: COPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
MATERIALCOPPER ALLOY 903 OR COPPER ALLOY 922 OVERALL
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM-B61 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM-B62 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSTANDARD ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
M1183/8-02-GInterchangeable
Same NIIN cross-reference
interchangeable
MILF1183Interchangeable
Same NIIN cross-reference
interchangeable
M1183/8-02AInterchangeable
Same NIIN cross-reference
interchangeable
MIL-DTL-1183/8Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS4730-0121A06GLP?
CS4730-0121A06GLP is a BRAZING ALLOY,SILVER.
What parts can replace CS4730-0121A06GLP?
There are 4 known substitutes for CS4730-0121A06GLP: M1183/8-02-G, MILF1183, M1183/8-02A and 1 more. Substitute compatibility should be verified for your specific system.
Is CS4730-0121A06GLP still available?
CS4730-0121A06GLP 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