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8191856 — TEE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

8191856: TEE,PIPE.

The TEE,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.540 INCHES NOMINAL ALL ENDS0.540 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS, special_features: ALL THREAD DIRECTIONS R-H, operating_pressure: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-289-2870, 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
8191856
NSN: 4730-00-289-2870
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.540 INCHES NOMINAL ALL ENDS0.540 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
special_featuresALL THREAD DIRECTIONS R-H
operating_pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
nominal_thread_size0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
maximum_operating_temp65.6 CELSIUS SECOND RESPONSE65.6 CELSIUS SECOND RESPONSE DEGC
media_for_which_designedSTEAM FIRST RESPONSE
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_dataA CLASS AND 1 RATING
NSN4730-00-289-2870
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8191856 · 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
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
LEG LENGTH: 0.540 INCHES NOMINAL ALL ENDS0.540 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 51.7 CELSIUS FIRST RESPONSE51.7 CELSIUS FIRST RESPONSE DEGC
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) ALL ENDSPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDSTHREADED INTERNAL PIPE ALL ENDS
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
OPERATING PRESSURE175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
LEG LENGTH0.540 INCHES NOMINAL ALL ENDS0.540 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS0.125 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP51.7 CELSIUS FIRST RESPONSE51.7 CELSIUS FIRST RESPONSE DEGC
MAXIMUM OPERATING TEMP65.6 CELSIUS SECOND RESPONSE65.6 CELSIUS SECOND RESPONSE DEGC
NONDEFINITIVE SPEC/STD DATAA CLASS AND 1 RATING
SPECIAL FEATURESALL THREAD DIRECTIONS R-H
SUBSTITUTES & CROSS-REFERENCES 5
WWP460Reference document
Same NSN cross-reference
Reference document — Secondary reference
601JReference document
Same NSN cross-reference
Reference document — Secondary reference
502-161Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3B7900Reference document
Same NSN cross-reference
Reference document — Secondary reference
895-30Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8191856?
8191856 is a TEE,PIPE.
What parts can replace 8191856?
There are 5 known substitutes for 8191856: WWP460, 601J, 502-161 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8191856?
8191856 is cataloged in the U.S. Government catalog under NSN 4730-00-289-2870. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.