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SS-400-1-4RP — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

SS-400-1-4RP: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 20.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARELESS (TUBE) FIRST END, special_features: SECOND END ISO PIPE THREAD EXTERNAL SIZE 1/4 R228 DESIGNATION. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-237-1090, 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-400-1-4RP
NSN: 4730-01-237-1090
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle20.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARELESS (TUBE) FIRST END
special_featuresSECOND END ISO PIPE THREAD EXTERNAL SIZE 1/4 R228 DESIGNATION
nominal_thread_size0.438 INCHES FIRST END IN
nominal_overall_length1.188 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 TUBE COUPLING NUT W/SLEEVE
material_document_and_classificationASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-01-237-1090
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SS-400-1-4RP · 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
•
FURNISHED ITEMS AND QUANTITY: 1 TUBE COUPLING NUT W/SLEEVE
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.188 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 TUBE COUPLING NUT W/SLEEVE
CONNECTION STYLEFLARELESS (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.188 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
SEAT ANGLE20.0 DEGREES FIRST END
SPECIAL FEATURESSECOND END ISO PIPE THREAD EXTERNAL SIZE 1/4 R228 DESIGNATION
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
400-1-4RPReference document
Same NSN cross-reference
Reference document — Secondary reference
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-400-1-4RP?
SS-400-1-4RP is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace SS-400-1-4RP?
There is 1 known substitute for SS-400-1-4RP: 400-1-4RP. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-400-1-4RP?
SS-400-1-4RP is cataloged in the U.S. Government catalog under NSN 4730-01-237-1090. This indicates validated use in U.S. government and defense supply chains.
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