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Technical Data Sheet
PartsTable / COMPONENT / 339-1/2X6
339-1/2X6 ✓ 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 339-1/2X6 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9982, 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
339-1/2X6
NSN: 4730-00-277-9982
FSC: 4730
CAGE: 80996 — ITT GRINNELL CORP (USA)
SPECIFICATIONS
Part Number339-1/2X6
NSN4730-00-277-9982
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 339-1/2X6 · 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: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL OVERALL LENGTH: 6.000 INCHES IN
•
SURFACE TREATMENT: OXIDE OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: STEEL OVERALL
•
SPECIFICATION/STANDARD DATA: 81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL OVERALL LENGTH6.000 INCHES IN
SURFACE TREATMENTOXIDE OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
STYLE DESIGNATORLONG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
SUM560AInterchangeable
interchangeable cross-reference
interchangeable
57A3053Interchangeable
interchangeable cross-reference
interchangeable
50600Interchangeable
interchangeable cross-reference
interchangeable
53-1054Interchangeable
interchangeable cross-reference
interchangeable
504-8631-003Interchangeable
interchangeable cross-reference
interchangeable
15367Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 339-1/2X6?
339-1/2X6 is a 339-1/2X6.
What parts can replace 339-1/2X6?
There are 22 known substitutes for 339-1/2X6: SUM560A, 57A3053, 50600 and 19 more. Substitute compatibility should be verified for your specific system.
Is 339-1/2X6 still available?
339-1/2X6 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