PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1237K11
1237K11 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include angle: 90.0 DEGREES, height: 0.938 INCHES NOMINAL IN, length: 1.375 INCHES NOMINAL IN, material: STEEL OVERALL, oil_capacity: 0.094 FLUID OUNCES, style_designator: ANGLE, HINGED CAP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-4528, 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
1237K11
NSN: 4730-00-174-4528
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
angle90.0 DEGREES
height0.938 INCHES NOMINAL IN
length1.375 INCHES NOMINAL IN
materialSTEEL OVERALL
oil_capacity0.094 FLUID OUNCES
style_designatorANGLE, HINGED CAP
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.125 INCHES IN
thread_quantity_per_inch27
assembly_clearance_radius0.750 INCHES NOMINAL IN
screw_thread_series_designatorNPT
NSN4730-00-174-4528
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1237K11 · 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
•
HEIGHT: 0.938 INCHES NOMINAL IN
•
ASSEMBLY CLEARANCE RADIUS: 0.750 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: NPT
•
THREAD QUANTITY PER INCH: 27
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
OIL CAPACITY: 0.094 FLUID OUNCES
•
ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HEIGHT0.938 INCHES NOMINAL IN
ASSEMBLY CLEARANCE RADIUS0.750 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORNPT
THREAD QUANTITY PER INCH27
NOMINAL THREAD SIZE0.125 INCHES IN
OIL CAPACITY0.094 FLUID OUNCES
ANGLE90.0 DEGREES
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
STYLE DESIGNATORANGLE, HINGED CAP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
13215E3857-10Interchangeable
interchangeable cross-reference
interchangeable
24G0Z0NInterchangeable
interchangeable cross-reference
interchangeable
25WInterchangeable
interchangeable cross-reference
interchangeable
RP101SA101KKInterchangeable
interchangeable cross-reference
interchangeable
MIL-R-22/3Interchangeable
interchangeable cross-reference
interchangeable
M22/03-00131SAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1237K11?
1237K11 is a RESISTOR,VARIABLE,WIRE WOUND,NON.
What parts can replace 1237K11?
There are 21 known substitutes for 1237K11: 13215E3857-10, 24G0Z0N, 25W and 18 more. Substitute compatibility should be verified for your specific system.
Is 1237K11 still available?
1237K11 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