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SS-4-A-4RT — ADAPTER,STRAIGHT,PIPE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

SS-4-A-4RT: ADAPTER,STRAIGHT,PIPE TO BOSS.

The ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OR STEEL COMP 316 OVERALL, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: GASKET SEAL (BOSS) FIRST END BULKHEAD, special_features: FITTINGS ARE PART OF THE ANCHOR LIFT PUMP FOR THE RRDF EMERGENCY ANCHOR SYSTEM (EASY) FABRICATION, end_item_identification: RRD IS ROLL ON/ROLL OFF DISCHARGE FACILITY,1945-01-473-2282 AND FC1 IS THE FLOATING CAUSEWAY,1945-01-473-2162, media_for_which_designed: HYDRAULIC FLUID SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-495-9840, 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
SS-4-A-4RT
NSN: 4730-01-495-9840
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OR STEEL COMP 316 OVERALL
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_styleGASKET SEAL (BOSS) FIRST END BULKHEAD
special_featuresFITTINGS ARE PART OF THE ANCHOR LIFT PUMP FOR THE RRDF EMERGENCY ANCHOR SYSTEM (EASY) FABRICATION
end_item_identificationRRD IS ROLL ON/ROLL OFF DISCHARGE FACILITY,1945-01-473-2282 AND FC1 IS THE FLOATING CAUSEWAY,1945-01-473-2162
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorNPTF SECOND END
part_name_assigned_by_controlling_agencyCONVERSION ADAPTER 1/4 INCH FNPT X 1/4 INCH M/ISO IN
NSN4730-01-495-9840
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SS-4-A-4RT · 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: GASKET SEAL (PIPE) SECOND END
•
CONNECTION TYPE: THREADED INTERNAL PIPE SECOND END
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGASKET SEAL (PIPE) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END BULKHEAD
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST END BULKHEAD
SPECIAL FEATURESFITTINGS ARE PART OF THE ANCHOR LIFT PUMP FOR THE RRDF EMERGENCY ANCHOR SYSTEM (EASY) FABRICATION
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYCONVERSION ADAPTER 1/4 INCH FNPT X 1/4 INCH M/ISO IN
END ITEM IDENTIFICATIONRRD IS ROLL ON/ROLL OFF DISCHARGE FACILITY,1945-01-473-2282 AND FC1 IS THE FLOATING CAUSEWAY,1945-01-473-2162
MATERIALSTEEL COMP 304 OR STEEL COMP 316 OVERALL
THREAD SERIES DESIGNATORNPTF SECOND END
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 1
FCRRDF-99-581-001 ITEM NO. 55Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 SS-4-A-4RT?
SS-4-A-4RT is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace SS-4-A-4RT?
There is 1 known substitute for SS-4-A-4RT: FCRRDF-99-581-001 ITEM NO. 55. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-4-A-4RT?
SS-4-A-4RT is cataloged in the U.S. Government catalog under NSN 4730-01-495-9840. This indicates validated use in U.S. government and defense supply chains.
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