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6-4 TRTXN-S — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6-4 TRTXN-S: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include height: 0.062 INCHES NOMINAL IN, diameter: 0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN, material: STEEL COMP 632 OVERALL, head_style: FLAT, surface_finish: 32.0 MICROINCHES OUTSIDE DIAMETER, undercut_width: 0.031 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-209-5016, 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
6-4 TRTXN-S
NSN: 4730-00-209-5016
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
height0.062 INCHES NOMINAL IN
diameter0.4985 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
materialSTEEL COMP 632 OVERALL
head_styleFLAT
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER
undercut_width0.031 INCHES NOMINAL IN
first_end_styleSQUARE
hardness_rating46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCONCENTRIC HOLE AT SQUARE END 0.594 IN. NOM DEEP,COUNTERBORED 0.094 IN. MIN,0.099 IN. MAX DEEP,0.281 IN. MIN,0.291 IN. MAX DIA AND THREADED 0.138 IN.-32 UNC-2B,0.406 IN. NOM THREAD LG IN
style_designatorGROOVE
pin_head_diameter0.625 INCHES NOMINAL IN
surface_treatmentLUBRICANT SHANK
NSN4730-00-209-5016
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6-4 TRTXN-S · 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
SUBSTITUTES & CROSS-REFERENCES 4
134462Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
15877-4-6SReference document
Same NSN cross-reference
Reference document — Secondary reference
3240589Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
P-3507AReference 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 6-4 TRTXN-S?
6-4 TRTXN-S is a REDUCER,TUBE.
What parts can replace 6-4 TRTXN-S?
There are 4 known substitutes for 6-4 TRTXN-S: 134462, 15877-4-6S, 3240589 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6-4 TRTXN-S?
6-4 TRTXN-S is cataloged in the U.S. Government catalog under NSN 4730-00-209-5016. 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.