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Technical Data Sheet
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K0501 ✓ Verified by PartsTable
3M · 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 ADAPTER,STRAIGHT,TUBE TO HOSE is a 3M industrial component. Key specifications include special_features: SIZE 1/2 IN. IN, end_item_identification: 1740-01-253-8064, part_name_assigned_by_controlling_agency: MOUTH RING ASSY, CFR-PTFE, K1516M K1518, KM2156.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-441-6250, 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
K0501
NSN: 4730-01-441-6250
FSC: 4730
CAGE: 75282 — KILLARK ELECTRIC MFG CO (USA)
SPECIFICATIONS
special_featuresSIZE 1/2 IN. IN
end_item_identification1740-01-253-8064
part_name_assigned_by_controlling_agencyMOUTH RING ASSY, CFR-PTFE, K1516M K1518, KM2156
NSN4730-01-441-6250
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: K0501 · 3M ⚠ 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSIZE 1/2 IN. IN
END ITEM IDENTIFICATION1740-01-253-8064
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
8215-5Interchangeable
interchangeable cross-reference
interchangeable
8215-1Interchangeable
interchangeable cross-reference
interchangeable
8332681Interchangeable
interchangeable cross-reference
interchangeable
120042Interchangeable
interchangeable cross-reference
interchangeable
119898Interchangeable
interchangeable cross-reference
interchangeable
03340600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is K0501?
K0501 is a ADAPTER,STRAIGHT,TUBE TO HOSE manufactured by 3M.
What parts can replace K0501?
There are 12 known substitutes for K0501: 8215-5, 8215-1, 8332681 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for K0501?
K0501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-441-6250. 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