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PartsTable / COMPONENT / ASTM A733-1/2-2
ASTM A733-1/2-2 ✓ 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 ASTM A733-1/2-2 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-265-6904, 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
ASTM A733-1/2-2
NSN: 4730-00-265-6904
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberASTM A733-1/2-2
NSN4730-00-265-6904
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASTM A733-1/2-2 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SPECIFICATION/STANDARD DATA: 81346-ASTM A733-1/2-2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 40 ALL ENDS
•
SURFACE TREATMENT: OXIDE OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: LONG
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM A733-1/2-2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORNPT ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 ALL ENDS
SURFACE TREATMENTOXIDE OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
STYLE DESIGNATORLONG
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH2.000 INCHES IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
501718Interchangeable
interchangeable cross-reference
interchangeable
192076Interchangeable
interchangeable cross-reference
interchangeable
720316Interchangeable
interchangeable cross-reference
interchangeable
140537Interchangeable
interchangeable cross-reference
interchangeable
10394491Interchangeable
interchangeable cross-reference
interchangeable
2210-S-106Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM A733-1/2-2?
ASTM A733-1/2-2 is a ASTM A733-1/2-2.
What parts can replace ASTM A733-1/2-2?
There are 12 known substitutes for ASTM A733-1/2-2: 501718, 192076, 720316 and 9 more. Substitute compatibility should be verified for your specific system.
Is ASTM A733-1/2-2 still available?
ASTM A733-1/2-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026