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Technical Data Sheet
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1638700 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_type: SOLID, drive_end_style: HEXAGON, connection_style: PLAIN, special_features: IN HEAD DRILLED AND TAPPED 0.125-27N.P.T. THREAD SIZE, thread_direction: RIGHT-HAND EXTERNAL.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-363-7404, 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
1638700
NSN: 4730-00-363-7404
FSC: 4730
CAGE: 90005 — PUROLATOR FACET INC. DIV PARKER AEROSPACE FILTRATION DIVISION DBA PUROLATOR FACET, IN (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeSOLID
drive_end_styleHEXAGON
connection_stylePLAIN
special_featuresIN HEAD DRILLED AND TAPPED 0.125-27N.P.T. THREAD SIZE
thread_directionRIGHT-HAND EXTERNAL
nominal_thread_size0.875 INCHES EXTERNAL IN
thread_series_designatorNPT EXTERNAL
nominal_pipe_size_for_which_designed0.875 INCHES IN
NSN4730-00-363-7404
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1638700 · 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
•
MATERIAL: STEEL OVERALL
•
THREAD DIRECTION: RIGHT-HAND EXTERNAL
•
DRIVE END STYLE: HEXAGON
•
NOMINAL THREAD SIZE: 0.875 INCHES EXTERNAL IN
•
THREAD SERIES DESIGNATOR: NPT EXTERNAL
•
BODY TYPE: SOLID
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.875 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESIN HEAD DRILLED AND TAPPED 0.125-27N.P.T. THREAD SIZE
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
DRIVE END STYLEHEXAGON
NOMINAL THREAD SIZE0.875 INCHES EXTERNAL IN
THREAD SERIES DESIGNATORNPT EXTERNAL
BODY TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.875 INCHES IN
CONNECTION STYLEPLAIN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
16387Interchangeable
interchangeable cross-reference
interchangeable
DN16387Interchangeable
interchangeable cross-reference
interchangeable
22 250 P11Interchangeable
interchangeable cross-reference
interchangeable
L30686Interchangeable
interchangeable cross-reference
interchangeable
UB3006-249Interchangeable
interchangeable cross-reference
interchangeable
A997CPC30AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1638700?
1638700 is a PLUG,PIPE.
What parts can replace 1638700?
There are 11 known substitutes for 1638700: 16387, DN16387, 22 250 P11 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1638700?
1638700 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-363-7404. 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