PartsTable
Technical Data Sheet
KF-20 ✓ 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 BEARING,PLAIN,SELF-ALIGNING is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 INNER MEMBER, bore_diameter: 1.2493 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, hardness_rating: 59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM INNER MEMBER, connection_style: PLAIN ALL ENDS, special_features: PLATING ON EXPOSED SURFACES OF INNER AND OUTER MEMBERS AS MOUNTED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-290-8557, 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
KF-20
NSN: 4730-00-290-8557
FSC: 4730
CAGE: 89646 — SANSTORM INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 INNER MEMBER
bore_diameter1.2493 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
hardness_rating59.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM INNER MEMBER
connection_stylePLAIN ALL ENDS
special_featuresPLATING ON EXPOSED SURFACES OF INNER AND OUTER MEMBERS AS MOUNTED
style_designatorWITHOUT INSERT OR LINER
surface_treatmentCHROMIUM INNER MEMBER
inner_member_width0.9320 INCHES MINIMUM AND 0.9370 INCHES MAXIMUM IN
outer_member_width0.7760 INCHES MINIMUM AND 0.7860 INCHES MAXIMUM IN
lubrication_featureGROOVE AND PERFORATION INNER MEMBER
nominal_thread_size1.250 INCHES ALL ENDS IN
NSN4730-00-290-8557
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: KF-20 · 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
THREAD SERIES DESIGNATOR: NPT ALL ENDS
QUICK DISCONNECT METHOD: TWO LUG UNIVERSAL ALL ENDS
CONNECTION STYLE: PLAIN ALL ENDS
NOMINAL THREAD SIZE: 1.250 INCHES ALL ENDS IN
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
MATERIAL: COPPER ALLOY AND MAGNESIUM BODY
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPT ALL ENDS
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
MATERIALCOPPER ALLOY AND MAGNESIUM BODY
STYLE DESIGNATORMALE COUPLING HALF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
HE131-0015-0001Interchangeable
interchangeable cross-reference
interchangeable
AF-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KF-20?
KF-20 is a BEARING,PLAIN,SELF-ALIGNING.
What parts can replace KF-20?
There are 2 known substitutes for KF-20: HE131-0015-0001, AF-20. Substitute compatibility should be verified for your specific system.
What is the NSN for KF-20?
KF-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-290-8557. This indicates validated use in U.S. government and defense supply chains.
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