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Technical Data Sheet
PartsTable / COMPONENT / CS4730-0121A34GLPQ
CS4730-0121A34GLPQ ✓ 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 OVERALL, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS, style_designator: PLAIN, operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS, maximum_operating_temp: 65.6 CELSIUS SECOND RESPONSE DEGC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5112, 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
CS4730-0121A34GLPQ
NSN: 4730-00-542-5112
FSC: 4730
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
style_designatorPLAIN
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
maximum_operating_temp65.6 CELSIUS SECOND RESPONSE DEGC
nominal_overall_length4.220 INCHES IN
end_item_identification34N COMBAT SYSTEM SUPPORT EQUIPMENT
media_for_which_designedSTEAM FIRST RESPONSE
nondefinitive_spec/std_dataA TYPE
furnished_items_and_quantity2 PREINSERTED BRAZING RING
nominal_pipe_size_accommodated5.000 INCHES ALL ENDS IN
NSN4730-00-542-5112
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS4730-0121A34GLPQ · 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: WATER-OIL-GAS SECOND RESPONSE
•
NOMINAL OVERALL LENGTH: 4.220 INCHES IN
•
MAXIMUM OPERATING TEMP: 218.3 CELSIUS FIRST RESPONSE DEGC
•
NOMINAL PIPE SIZE ACCOMMODATED: 5.000 INCHES ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: STREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
NOMINAL OVERALL LENGTH4.220 INCHES IN
MAXIMUM OPERATING TEMP218.3 CELSIUS FIRST RESPONSE DEGC
NOMINAL PIPE SIZE ACCOMMODATED5.000 INCHES ALL ENDS IN
END ITEM IDENTIFICATION34N COMBAT SYSTEM SUPPORT EQUIPMENT
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLESTREAMLINED W/ ONE BRAZING RING (PIPE) ALL ENDS
MAXIMUM OPERATING TEMP65.6 CELSIUS SECOND RESPONSE DEGC
FURNISHED ITEMS AND QUANTITY2 PREINSERTED BRAZING RING
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
214-5901-199293PCF5067Interchangeable
interchangeable cross-reference
interchangeable
320-3803-1438614PCF3Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0121A01DLPQInterchangeable
interchangeable cross-reference
interchangeable
4699265F3Interchangeable
interchangeable cross-reference
interchangeable
MILF1183CPL2-5IInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-1183Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS4730-0121A34GLPQ?
CS4730-0121A34GLPQ is a BRAZING ALLOY,SILVER.
What parts can replace CS4730-0121A34GLPQ?
There are 25 known substitutes for CS4730-0121A34GLPQ: 214-5901-199293PCF5067, 320-3803-1438614PCF3, CS4730-0121A01DLPQ and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS4730-0121A34GLPQ?
CS4730-0121A34GLPQ is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-542-5112. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026