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Technical Data Sheet
PartsTable / COMPONENT / 1/4-2 1/2-115
1/4-2 1/2-115 ✓ 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 1/4-2 1/2-115 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1973, 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
1/4-2 1/2-115
NSN: 4730-00-196-1973
FSC: 4730
CAGE: 98149 — EASTMAN CENTRAL D MFG DIV UNITED STATES BRASS CORP (USA)
SPECIFICATIONS
Part Number1/4-2 1/2-115
NSN4730-00-196-1973
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1/4-2 1/2-115 · 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
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE STD ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
END ITEM IDENTIFICATIONCRANE-SHOVEL,TRUCK MOUNTED,20 TON,3/4 CU. YD. QUICKWAY MODEL M202
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
TD189GPNInterchangeable
interchangeable cross-reference
interchangeable
78637Interchangeable
interchangeable cross-reference
interchangeable
WW-N-351Interchangeable
interchangeable cross-reference
interchangeable
MS51846-193Interchangeable
interchangeable cross-reference
interchangeable
B687R-193BInterchangeable
interchangeable cross-reference
interchangeable
113RB-A3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1/4-2 1/2-115?
1/4-2 1/2-115 is a 1/4-2 1/2-115.
What parts can replace 1/4-2 1/2-115?
There are 29 known substitutes for 1/4-2 1/2-115: TD189GPN, 78637, WW-N-351 and 26 more. Substitute compatibility should be verified for your specific system.
Is 1/4-2 1/2-115 still available?
1/4-2 1/2-115 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