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MMP91983-1 — COUPLING,HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

MMP91983-1: COUPLING,HOSE.

The COUPLING,HOSE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, connection_type: UNTHREADED EXTERNAL HOSE ALL ENDS, connection_style: BEADED HOSE ALL ENDS, special_features: U/O BRINE CHILLER,CONFORMS TO MIL-H-7365A A, nominal_overall_length: 5.250 INCHES IN, nuclear_hardness_critical_feature: HARDENED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-273-8455, 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
MMP91983-1
NSN: 4730-01-273-8455
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 90598 — ENGINEERED AIR SYSTEMS, INC. DBA DRS SUSTAINMENT SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
connection_typeUNTHREADED EXTERNAL HOSE ALL ENDS
connection_styleBEADED HOSE ALL ENDS
special_featuresU/O BRINE CHILLER,CONFORMS TO MIL-H-7365A A
nominal_overall_length5.250 INCHES IN
nuclear_hardness_critical_featureHARDENED
NSN4730-01-273-8455
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MMP91983-1 · 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: BEADED HOSE ALL ENDS
•
NOMINAL OVERALL LENGTH: 5.250 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE ALL ENDS
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
•
NUCLEAR HARDNESS CRITICAL FEATURE: HARDENED
TECHNICAL CHARACTERISTICS
CONNECTION STYLEBEADED HOSE ALL ENDS
NOMINAL OVERALL LENGTH5.250 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE ALL ENDS
SPECIAL FEATURESU/O BRINE CHILLER,CONFORMS TO MIL-H-7365A A
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
NUCLEAR HARDNESS CRITICAL FEATUREHARDENED
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is MMP91983-1?
MMP91983-1 is a COUPLING,HOSE.
What is the NSN for MMP91983-1?
MMP91983-1 is cataloged in the U.S. Government catalog under NSN 4730-01-273-8455. 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.