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16-12FMK4S — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

16-12FMK4S: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: HEX 41 MILLIMETERS; DRILL 22.2 MILLIMETERS MM, nominal_overall_length: 54.5 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-495-3975, 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
16-12FMK4S
NSN: 4730-01-495-3975
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresHEX 41 MILLIMETERS; DRILL 22.2 MILLIMETERS MM
nominal_overall_length54.5 MILLIMETERS MM
NSN4730-01-495-3975
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 16-12FMK4S · 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 OVERALL LENGTH: 54.5 MILLIMETERS MM
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NOMINAL OVERALL LENGTH54.5 MILLIMETERS MM
SPECIAL FEATURESHEX 41 MILLIMETERS; DRILL 22.2 MILLIMETERS MM
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
904282Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 16-12FMK4S?
16-12FMK4S is a COUPLING,TUBE.
What parts can replace 16-12FMK4S?
There is 1 known substitute for 16-12FMK4S: 904282. Substitute compatibility should be verified for your specific system.
What is the NSN for 16-12FMK4S?
16-12FMK4S is cataloged in the U.S. Government catalog under NSN 4730-01-495-3975. 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.