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Technical Data Sheet
PartsTable / COMPONENT / 2 1/2CR-S
2 1/2CR-S ✓ 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 2 1/2CR-S is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-852-5654, 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
2 1/2CR-S
NSN: 4730-00-852-5654
FSC: 4730
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
Part Number2 1/2CR-S
NSN4730-00-852-5654
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2 1/2CR-S · 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: STEEL OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
LEG LENGTH: 1.469 INCHES NOMINAL SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
FLOW ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
LEG LENGTH1.469 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
FLOW ANGLE90.0 DEGREES
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SURFACE TREATMENTCADMIUM OVERALL
LEG LENGTH1.547 INCHES NOMINAL FIRST END IN
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPTF ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10514231Interchangeable
interchangeable cross-reference
interchangeable
107B367Interchangeable
interchangeable cross-reference
interchangeable
17186Interchangeable
interchangeable cross-reference
interchangeable
17176Interchangeable
interchangeable cross-reference
interchangeable
6515NCM228531Interchangeable
interchangeable cross-reference
interchangeable
1637039Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2 1/2CR-S?
2 1/2CR-S is a 2 1/2CR-S.
What parts can replace 2 1/2CR-S?
There are 10 known substitutes for 2 1/2CR-S: 10514231, 107B367, 17186 and 7 more. Substitute compatibility should be verified for your specific system.
Is 2 1/2CR-S still available?
2 1/2CR-S 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