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S28-1C4-4F — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

S28-1C4-4F: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN FIRST FLUID END CONNECTION, special_features: 300 SERIES STAINLESS STEEL, style_designator: FEMALE COUPLING HALF, features_provided: SELF-SEALING. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-538-3529, 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
S28-1C4-4F
NSN: 4730-01-538-3529
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1DJL3 — SNAP-TITE HOSE, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
connection_typeTHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN FIRST FLUID END CONNECTION
special_features300 SERIES STAINLESS STEEL
style_designatorFEMALE COUPLING HALF
features_providedSELF-SEALING
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES FIRST FLUID END CONNECTION IN
end_item_identificationOIL PRESSURE COMPENSATOR
media_for_which_designedOIL SINGLE RESPONSE
thread_series_designatorNPT FIRST FLUID END CONNECTION
nominal_pipe_size_accommodated0.250 INCHES FIRST FLUID END CONNECTION IN
NSN4730-01-538-3529
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: S28-1C4-4F · 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 PIPE SIZE ACCOMMODATED: 0.250 INCHES FIRST FLUID END CONNECTION IN
•
CONNECTION STYLE: PLAIN FIRST FLUID END CONNECTION
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: FEMALE COUPLING HALF
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: SELF-SEALING
•
NOMINAL THREAD SIZE: 0.250 INCHES FIRST FLUID END CONNECTION IN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES FIRST FLUID END CONNECTION IN
CONNECTION STYLEPLAIN FIRST FLUID END CONNECTION
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
STYLE DESIGNATORFEMALE COUPLING HALF
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDSELF-SEALING
NOMINAL THREAD SIZE0.250 INCHES FIRST FLUID END CONNECTION IN
SPECIAL FEATURES300 SERIES STAINLESS STEEL
MEDIA FOR WHICH DESIGNEDOIL SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLING ASSEMBLY, QDC
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 2
A110052-01 ITEM 4Reference document
Same NSN cross-reference
Reference document — Secondary reference
A110053-01 ITEM 5Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S28-1C4-4F?
S28-1C4-4F is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace S28-1C4-4F?
There are 2 known substitutes for S28-1C4-4F: A110052-01 ITEM 4, A110053-01 ITEM 5. Substitute compatibility should be verified for your specific system.
What is the NSN for S28-1C4-4F?
S28-1C4-4F is cataloged in the U.S. Government catalog under NSN 4730-01-538-3529. This indicates validated use in U.S. government and defense supply chains.
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