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SS49TB815-4-16W — SWITCH,RADIO FREQUENCY TRANSMISS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

SS49TB815-4-16W: SWITCH,RADIO FREQUENCY TRANSMISS.

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: STEEL OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_style: FLARED (TUBE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: FLARED W/ CENTER WRENCHING FACILITY. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-103-4881, 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
SS49TB815-4-16W
NSN: 4730-00-103-4881
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle45.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_styleFLARED (TUBE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorFLARED W/ CENTER WRENCHING FACILITY
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.438 INCHES ALL ENDS IN
nominal_overall_length1.250 INCHES IN
end_item_identificationAIRCRAFT APPLICATION
thread_series_designatorUNF ALL ENDS
criticality_code_justificationFEAT
NSN4730-00-103-4881
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SS49TB815-4-16W · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.250 INCHES IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: FLARED W/ CENTER WRENCHING FACILITY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.040 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARED (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH1.250 INCHES IN
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORFLARED W/ CENTER WRENCHING FACILITY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.040 INCHES FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
SEAT ANGLE45.0 DEGREES ALL ENDS
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
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 3
5549TB815-4-16WSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SS49Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
4730PL1937534Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS49TB815-4-16W?
SS49TB815-4-16W is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace SS49TB815-4-16W?
There are 3 known substitutes for SS49TB815-4-16W: 5549TB815-4-16W, SS49, 4730PL1937534. Substitute compatibility should be verified for your specific system.
What is the NSN for SS49TB815-4-16W?
SS49TB815-4-16W is cataloged in the U.S. Government catalog under NSN 4730-00-103-4881. This indicates validated use in U.S. government and defense supply chains.
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