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Technical Data Sheet
PartsTable / COMPONENT / 136942R91
136942R91 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include color: UNABLE TO DECODE, shape: ROUND, width: 0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN, height: 0.281 INCHES NOMINAL IN, length: 0.687 INCHES NOMINAL IN, radius: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-813-7558, 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
136942R91
NSN: 4730-00-813-7558
FSC: 4730
CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
colorUNABLE TO DECODE
shapeROUND
width0.085 INCHES MINIMUM AND 0.089 INCHES MAXIMUM IN
height0.281 INCHES NOMINAL IN
length0.687 INCHES NOMINAL IN
radius0.625 INCHES NOMINAL IN
materialCARBON GRAPHITE
thickness0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
face_width2.000 INCHES NOMINAL IN
root_width0.443 INCHES NOMINAL IN
seat_angle37.0 DEGREES FIRST END
NSN4730-00-813-7558
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 136942R91 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
21-5535Interchangeable
interchangeable cross-reference
interchangeable
X39-103Interchangeable
interchangeable cross-reference
interchangeable
16540FInterchangeable
interchangeable cross-reference
interchangeable
30061Interchangeable
interchangeable cross-reference
interchangeable
328BInterchangeable
interchangeable cross-reference
interchangeable
66362Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 136942R91?
136942R91 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 136942R91?
There are 27 known substitutes for 136942R91: 21-5535, X39-103, 16540F and 24 more. Substitute compatibility should be verified for your specific system.
Is 136942R91 still available?
136942R91 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