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Technical Data Sheet
PartsTable / COMPONENT / 8409873
8409873 ✓ 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: CORED, head_type: SOLID, drive_end_style: RAISED SQUARE, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-555-0592, 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
8409873
NSN: 4730-00-555-0592
FSC: 4730
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_typeCORED
head_typeSOLID
drive_end_styleRAISED SQUARE
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentZINC OVERALL
nominal_thread_size0.375 INCHES EXTERNAL IN
thread_series_designatorNPTF EXTERNAL
nominal_pipe_size_for_which_designed0.375 INCHES IN
NSN4730-00-555-0592
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8409873 · 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 DIRECTION: RIGHT-HAND EXTERNAL
•
DRIVE END STYLE: RAISED SQUARE
•
NOMINAL THREAD SIZE: 0.375 INCHES EXTERNAL IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
BODY TYPE: CORED
•
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
•
HEAD TYPE: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND EXTERNAL
DRIVE END STYLERAISED SQUARE
NOMINAL THREAD SIZE0.375 INCHES EXTERNAL IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
BODY TYPECORED
THREAD SERIES DESIGNATORNPTF EXTERNAL
HEAD TYPESOLID
CONNECTION STYLEPLAIN
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
20972R1Interchangeable
interchangeable cross-reference
interchangeable
10F6Interchangeable
interchangeable cross-reference
interchangeable
13F6Interchangeable
interchangeable cross-reference
interchangeable
444583Interchangeable
interchangeable cross-reference
interchangeable
VA804Interchangeable
interchangeable cross-reference
interchangeable
4500-0153-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8409873?
8409873 is a PLUG,PIPE.
What parts can replace 8409873?
There are 17 known substitutes for 8409873: 20972R1, 10F6, 13F6 and 14 more. Substitute compatibility should be verified for your specific system.
Is 8409873 still available?
8409873 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