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Technical Data Sheet
PartsTable / COMPONENT / 601-2-1/2
601-2-1/2 ✓ 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 601-2-1/2 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-340-8695, 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
601-2-1/2
NSN: 4730-01-340-8695
FSC: 4730
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part Number601-2-1/2
NSN4730-01-340-8695
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 601-2-1/2 · 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
•
FLOW ANGLE: 45.0 DEGREES
•
NOMINAL THREAD SIZE: 2.500 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
LEG LENGTH: 2.688 INCHES NOMINAL ALL ENDS IN
•
MATERIAL: IRON CAST MALLEABLE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
FLOW ANGLE45.0 DEGREES
NOMINAL THREAD SIZE2.500 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
LEG LENGTH2.688 INCHES NOMINAL ALL ENDS IN
MATERIALIRON CAST MALLEABLE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
TYPE 3, 12 PAIR, 22AWGInterchangeable
interchangeable cross-reference
interchangeable
601-212Interchangeable
interchangeable cross-reference
interchangeable
S-80-576Interchangeable
interchangeable cross-reference
interchangeable
810AS2033Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 601-2-1/2?
601-2-1/2 is a 601-2-1/2.
What parts can replace 601-2-1/2?
There are 4 known substitutes for 601-2-1/2: TYPE 3, 12 PAIR, 22AWG, 601-212, S-80-576 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 601-2-1/2?
601-2-1/2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-340-8695. 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