PartsTable
Technical Data Sheet
SK56546-482 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 2A ALL ENDS A, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: FLARELESS (TUBE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-835-3767, 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
SK56546-482
NSN: 4730-00-835-3767
FSC: 4730
CAGE: 07703 — ATK LAUNCH SYSTEMS LLC DBA ATK LAUNCH SYSTEMS-PROMONTORY DIV PROPULSION SYSTEMS - PROMONTORY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
seat_angle37.0 DEGREES ALL ENDS
reducer_typeCONCENTRIC
thread_class2A ALL ENDS A
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleFLARELESS (TUBE) SECOND END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length1.000 INCHES IN
thread_series_designatorUNF ALL ENDS
specification/standard_data96906-MS51534 GOVERNMENT STANDARD
furnished_items_and_quantity1 TUBE COUPLING NUT W/SLEEVE
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-00-835-3767
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SK56546-482 · 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
SEAT ANGLE: 37.0 DEGREES ALL ENDS
SPECIFICATION/STANDARD DATA: 96906-MS51534 GOVERNMENT STANDARD
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
NOMINAL OVERALL LENGTH: 1.000 INCHES IN
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
FURNISHED ITEMS AND QUANTITY: 1 TUBE COUPLING NUT W/SLEEVE
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE37.0 DEGREES ALL ENDS
SPECIFICATION/STANDARD DATA96906-MS51534 GOVERNMENT STANDARD
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
NOMINAL OVERALL LENGTH1.000 INCHES IN
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
FURNISHED ITEMS AND QUANTITY1 TUBE COUPLING NUT W/SLEEVE
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
REDUCER TYPECONCENTRIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MIL-DTL-18866Interchangeable
interchangeable cross-reference
interchangeable
8-6TRBTXSSInterchangeable
interchangeable cross-reference
interchangeable
06060300Interchangeable
interchangeable cross-reference
interchangeable
8-4TRBTXSSInterchangeable
Same NIIN cross-reference
interchangeable
273-0378-001Interchangeable
Same NIIN cross-reference
interchangeable
MS51534B8S-4Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK56546-482?
SK56546-482 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace SK56546-482?
There are 9 known substitutes for SK56546-482: MIL-DTL-18866, 8-6TRBTXSS, 06060300 and 6 more. Substitute compatibility should be verified for your specific system.
Is SK56546-482 still available?
SK56546-482 is currently cancelled.
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