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PartsTable / COMPONENT / 643A701 PIECE 1
643A701 PIECE 1 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_type: SOLID, drive_end_style: RAISED SQUARE, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL, nominal_thread_size: 0.500 INCHES EXTERNAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-023-5306, 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
643A701 PIECE 1
NSN: 4730-01-023-5306
FSC: 4730
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
drive_end_styleRAISED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.500 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.500 INCHES IN
NSN4730-01-023-5306
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 643A701 PIECE 1 · 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
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
NOMINAL THREAD SIZE: 0.500 INCHES EXTERNAL IN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
MATERIAL: STEEL OVERALL
•
CONNECTION STYLE: PLAIN
•
BODY TYPE: SOLID
•
DRIVE END STYLE: RAISED SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT EXTERNAL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
NOMINAL THREAD SIZE0.500 INCHES EXTERNAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
MATERIALSTEEL OVERALL
CONNECTION STYLEPLAIN
BODY TYPESOLID
DRIVE END STYLERAISED SQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
X-15Interchangeable
interchangeable cross-reference
interchangeable
32981Interchangeable
interchangeable cross-reference
interchangeable
3509-30Interchangeable
interchangeable cross-reference
interchangeable
15INCH F0R RP-2Interchangeable
interchangeable cross-reference
interchangeable
01-435-0167-5PC105Interchangeable
interchangeable cross-reference
interchangeable
MS14304-1J08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 643A701 PIECE 1?
643A701 PIECE 1 is a PLUG,PIPE.
What parts can replace 643A701 PIECE 1?
There are 15 known substitutes for 643A701 PIECE 1: X-15, 32981, 3509-30 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 643A701 PIECE 1?
643A701 PIECE 1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-023-5306. 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