PartsTable
Technical Data Sheet
221137-1 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

COUPLING ASSEMBLY,QUICK DISCONNE. Key specifications include style_designator: COUPLING ASSEMBLY, end_item_identification: HYDRANT REFUELING SYSTEM, AIR TRANSPORTABLE; F-16 AIRCRAFT, quick_disconnect_method: CAM-LOCKING ALL ENDS, furnished_items_and_quantity: 2 CAP AND 2 CHAIN AND 1 ADAPTER, quick_disconnect_nominal_size: 3.000 INCHES FIRST FLUID END CONNECTION IN, part_name_assigned_by_controlling_agency: 3" X 2" UNISEX VALVED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-475-3141, 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
221137-1
NSN: 4730-01-475-3141
FSC: 4730
CAGE: 0DT23 — EATON CORPORATION DBA EATON INOAC (USA)
SPECIFICATIONS
special_featuresASSEMBLY COMPRISED OF P/N 47083-1 3" UNISEX COUPLING WITH DUST CAP 1, P/N 221137-1 ADAPTER 1 AND P/N 47031-1 2" UNISEX COUPLING WITH DUST CAP 1; STANDARD VERSION WITH EXTERNAL COLOR TAN
style_designatorCOUPLING ASSEMBLY
end_item_identificationHYDRANT REFUELING SYSTEM, AIR TRANSPORTABLE; F-16 AIRCRAFT
quick_disconnect_methodCAM-LOCKING ALL ENDS
furnished_items_and_quantity2 CAP AND 2 CHAIN AND 1 ADAPTER
quick_disconnect_nominal_size3.000 INCHES FIRST FLUID END CONNECTION IN
part_name_assigned_by_controlling_agency3" X 2" UNISEX VALVED
NSN4730-01-475-3141
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221137-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
64136Interchangeable
interchangeable cross-reference
interchangeable
A64136Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221137-1?
221137-1 is a COUPLING ASSEMBLY,QUICK DISCONNE.
What parts can replace 221137-1?
There are 2 known substitutes for 221137-1: 64136, A64136. Substitute compatibility should be verified for your specific system.
What is the NSN for 221137-1?
221137-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-475-3141. This indicates validated use in U.S. government and defense supply chains.
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