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Technical Data Sheet
PartsTable / MRO / 20008-4
20008-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 TUBE is a the manufacturer industrial component. Key specifications include width: 0.550 INCHES NOMINAL IN, length: 1.230 INCHES NOMINAL IN, material: RUBBER SYNTHETIC, seat_angle: 37.0 DEGREES FIRST END, temp_rating: -32.0 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC, thread_class: 2A FIRST END A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-0844, 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
MRO→ MRO_GENERAL→ 20008-4
NSN: 4730-00-174-0844
FSC: 4730
CAGE: 53553 — AMETEK INC SCHUTTE AND KOERTING DIV (USA)
SPECIFICATIONS
width0.550 INCHES NOMINAL IN
length1.230 INCHES NOMINAL IN
materialRUBBER SYNTHETIC
seat_angle37.0 DEGREES FIRST END
temp_rating-32.0 CELSIUS AND 52.0 CELSIUS SINGLE RESPONSE DEGC
thread_class2A FIRST END A
body_thickness0.455 INCHES NOMINAL IN
exterior_colorBLACK
connection_typeEXTERNAL QUICK DISCONNECT SECOND END
inside_diameter2.000 INCHES NOMINAL IN
connection_styleCAM OR LEVER (EXTERNAL) SECOND END
outside_diameter2.656 INCHES NOMINAL IN
NSN4730-00-174-0844
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 20008-4 · 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
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.188 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
SPECIAL FEATURESW/1 SLEEVE AND 1 NUT
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORNPT SECOND END
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.188 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.500 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
SS415110Interchangeable
interchangeable cross-reference
interchangeable
336C391P3Interchangeable
interchangeable cross-reference
interchangeable
131033R1Interchangeable
interchangeable cross-reference
interchangeable
PC17814Interchangeable
interchangeable cross-reference
interchangeable
115-138-2Interchangeable
interchangeable cross-reference
interchangeable
P1800-87Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20008-4?
20008-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 20008-4?
There are 12 known substitutes for 20008-4: SS415110, 336C391P3, 131033R1 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20008-4?
20008-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-174-0844. 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