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77555100 — TAILPIECE,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

77555100: TAILPIECE,UNION.

The TAILPIECE,UNION is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 715, nominal_pipe_size_designation: 0.500 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-419-9166, 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
77555100
NSN: 4730-01-419-9166
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0JPG9 — W & O SUPPLY INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 715
nominal_pipe_size_designation0.500 INCHES IN
NSN4730-01-419-9166
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 77555100 · 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 PIPE SIZE DESIGNATION: 0.500 INCHES IN
•
MATERIAL: COPPER ALLOY 715
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE DESIGNATION0.500 INCHES IN
MATERIALCOPPER ALLOY 715
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 3
536023-3-FISame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
47900-08Reference document
Same NSN cross-reference
Reference document — Secondary reference
77555100 1/2 INCH 70/30Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 77555100?
77555100 is a TAILPIECE,UNION.
What parts can replace 77555100?
There are 3 known substitutes for 77555100: 536023-3-FI, 47900-08, 77555100 1/2 INCH 70/30. Substitute compatibility should be verified for your specific system.
What is the NSN for 77555100?
77555100 is cataloged in the U.S. Government catalog under NSN 4730-01-419-9166. This indicates validated use in U.S. government and defense supply chains.
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