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Technical Data Sheet

3103S/S — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3103S/S: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, connection_type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END, connection_style: BARBED OR SERRATED END FIRST FLUID END CONNECTION, style_designator: MALE COUPLING HALF, surface_treatment: ZINC PLUG, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-494-0904, 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
3103S/S
NSN: 4730-00-494-0904
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14127 — FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
connection_typeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
connection_styleBARBED OR SERRATED END FIRST FLUID END CONNECTION
style_designatorMALE COUPLING HALF
surface_treatmentZINC PLUG
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
end_item_identification4920-01-322-8299
media_for_which_designedAIR SINGLE RESPONSE
nominal_outside_diameter0.688 INCHES IN
part_name_assigned_by_controlling_agencyCOUPLING HALVES, QUICK-DISCONNECT
nominal_inside_diameter_hose_accommodated0.250 INCHES ALL ENDS IN
NSN4730-00-494-0904
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3103S/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 9
SERIES3000-3100Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
3100-1/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
AA59439-001-08-08-BSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3100Reference document
Same NSN cross-reference
Reference document — Secondary reference
AA59439-01-08-00BReference document
Same NSN cross-reference
Reference document — Secondary reference
AA59439-001-08-BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3103S/S?
3103S/S is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 3103S/S?
There are 9 known substitutes for 3103S/S: SERIES3000-3100, 3100-1/4, AA59439-001-08-08-B and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3103S/S?
3103S/S is cataloged in the U.S. Government catalog under NSN 4730-00-494-0904. This indicates validated use in U.S. government and defense supply chains.
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