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PartsTable / COMPONENT / 3430-100
3430-100 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: COPPER ALLOY OR COPPER OVERALL, leg_length: 0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM FIRST END IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, media_for_which_designed: AIR SECOND RESPONSE, nominal_outside_diameter_tube_accommodated: 0.625 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-816-0764, 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
3430-100
NSN: 4730-00-816-0764
FSC: 4730
CAGE: 72423 — FLAGG STANLEY G & CO INC DBA FLAGG BRASS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR COPPER OVERALL
leg_length0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM FIRST END IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
media_for_which_designedAIR SECOND RESPONSE
nominal_outside_diameter_tube_accommodated0.625 INCHES ALL ENDS IN
NSN4730-00-816-0764
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3430-100 · 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
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
LEG LENGTH: 1.312 INCHES MAXIMUM THIRD END IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES ALL ENDS IN
•
MATERIAL: COPPER ALLOY OR COPPER OVERALL
•
MEDIA FOR WHICH DESIGNED: AIR SECOND RESPONSE
•
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
LEG LENGTH1.312 INCHES MAXIMUM THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OR COPPER OVERALL
MEDIA FOR WHICH DESIGNEDAIR SECOND RESPONSE
MEDIA FOR WHICH DESIGNEDREFRIGERATION COMPOUND FIRST RESPONSE
CONNECTION STYLESOCKET (TUBE) ALL ENDS
LEG LENGTH0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM FIRST END IN
LEG LENGTH0.760 INCHES MINIMUM AND 1.312 INCHES MAXIMUM SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
B16.18Interchangeable
interchangeable cross-reference
interchangeable
B16-18-1950TABLE5Interchangeable
interchangeable cross-reference
interchangeable
A1532Interchangeable
interchangeable cross-reference
interchangeable
C408Interchangeable
interchangeable cross-reference
interchangeable
A01532Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-14652Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3430-100?
3430-100 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 3430-100?
There are 20 known substitutes for 3430-100: B16.18, B16-18-1950TABLE5, A1532 and 17 more. Substitute compatibility should be verified for your specific system.
Is 3430-100 still available?
3430-100 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