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Technical Data Sheet
PartsTable / COMPONENT / 6231-9
6231-9 ✓ Verified by PartsTable
Hotpoint · 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

FLANGE,COMPANION,VEHICULAR UNIVE. Key specifications include overall_length: 8.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-288-6995, 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
6231-9
NSN: 4730-00-288-6995
FSC: 4730
CAGE: 16004 — DAVEY COMPRESSOR CO DIV OF KECO INDUSTRIES INC (USA)
SPECIFICATIONS
overall_length8.000 INCHES NOMINAL IN
NSN4730-00-288-6995
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6231-9 · Hotpoint ⚠ 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 A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
•
NOMINAL OVERALL LENGTH: 6.000 INCHES IN
•
MATERIAL: STEEL OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
STYLE DESIGNATOR: LONG
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: WW-N-381 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
NOMINAL OVERALL LENGTH6.000 INCHES IN
MATERIALSTEEL OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
STYLE DESIGNATORLONG
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONWW-N-381 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
6231-9Interchangeable
interchangeable cross-reference
interchangeable
16478Interchangeable
interchangeable cross-reference
interchangeable
7165JInterchangeable
interchangeable cross-reference
interchangeable
1132Interchangeable
interchangeable cross-reference
interchangeable
7348215Interchangeable
interchangeable cross-reference
interchangeable
2ET692Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6231-9?
6231-9 is a FLANGE,COMPANION,VEHICULAR UNIVE manufactured by Hotpoint.
What parts can replace 6231-9?
There are 11 known substitutes for 6231-9: 6231-9, 16478, 7165J and 8 more. Substitute compatibility should be verified for your specific system.
Is 6231-9 still available?
6231-9 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