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Technical Data Sheet
PartsTable / COMPONENT / 113RB-A3
113RB-A3 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include special_features: NOMINAL DIAMETER IS 0.125 INCHES IN, style_designator: LONG, nominal_overall_length: 3.000 INCHES IN, end_item_identification: END ITEM NSN: 4940-01-445-0086. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1965, 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
113RB-A3
NSN: 4730-00-196-1965
FSC: 4730
CAGE: 88763 — ANDERSON COPPER AND BRASS CO DIV OF THE MARMON GROUP INC (USA)
SPECIFICATIONS
special_featuresNOMINAL DIAMETER IS 0.125 INCHES IN
style_designatorLONG
nominal_overall_length3.000 INCHES IN
end_item_identificationEND ITEM NSN: 4940-01-445-0086
NSN4730-00-196-1965
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 113RB-A3 · 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
•
STYLE DESIGNATOR: LONG
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
NOMINAL OVERALL LENGTH: 3.000 INCHES IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORLONG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATORLONG
MATERIALCOPPER ALLOY OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH3.000 INCHES IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
WW-N-351Interchangeable
interchangeable cross-reference
interchangeable
MS51846-193Interchangeable
interchangeable cross-reference
interchangeable
B687R-193BInterchangeable
interchangeable cross-reference
interchangeable
MS51846-16Interchangeable
interchangeable cross-reference
interchangeable
ASTM B687Interchangeable
interchangeable cross-reference
interchangeable
144597Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 113RB-A3?
113RB-A3 is a NIPPLE,PIPE.
What parts can replace 113RB-A3?
There are 24 known substitutes for 113RB-A3: WW-N-351, MS51846-193, B687R-193B and 21 more. Substitute compatibility should be verified for your specific system.
Is 113RB-A3 still available?
113RB-A3 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