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SS-4-TA-1-4UT — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

SS-4-TA-1-4UT: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END, special_features: 3955-01-281-7747, nominal_thread_size: 0.437 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-300-9036, 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-TA-1-4UT
NSN: 4730-01-300-9036
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
special_features3955-01-281-7747
nominal_thread_size0.437 INCHES SECOND END IN
nominal_overall_length1.460 INCHES IN
thread_series_designatorUNF SECOND END
furnished_items_and_quantity1 PREFORMED PACKING
criticality_code_justificationZZZY
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
reference_number_differentiating_characteristicsSPECIAL CLEAN FOR LOX SERVICE IAW 1552AS201
NSN4730-01-300-9036
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SS-4-TA-1-4UT · 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 PREFORMED PACKING
•
CONNECTION STYLE: GROOVED (TUBE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.460 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
CONNECTION STYLEGROOVED (TUBE) FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
NOMINAL OVERALL LENGTH1.460 INCHES IN
CRITICALITY CODE JUSTIFICATIONZZZY
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE0.437 INCHES SECOND END IN
SPECIAL FEATURES3955-01-281-7747
SUBSTITUTES & CROSS-REFERENCES 2
1551AS841Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
1551AS841-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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-4-TA-1-4UT?
SS-4-TA-1-4UT is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace SS-4-TA-1-4UT?
There are 2 known substitutes for SS-4-TA-1-4UT: 1551AS841, 1551AS841-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SS-4-TA-1-4UT?
SS-4-TA-1-4UT is cataloged in the U.S. Government catalog under NSN 4730-01-300-9036. This indicates validated use in U.S. government and defense supply chains.
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