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Technical Data Sheet

1 1/4X1FF-SS — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

1 1/4X1FF-SS: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, reducer_type: CONCENTRIC, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, nominal_thread_size: 1.250 INCHES FIRST END IN, nominal_overall_length: 2.450 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-035-1432, 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
1 1/4X1FF-SS
NSN: 4730-01-035-1432
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30780 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV TUBE FITTINGS DIVISION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
reducer_typeCONCENTRIC
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
nominal_thread_size1.250 INCHES FIRST END IN
nominal_overall_length2.450 INCHES IN
thread_series_designatorNPTF ALL ENDS
nondefinitive_spec/std_data38 FIGURE
specification/standard_data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
surface_treatment_document_and_classificationJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-035-1432
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1 1/4X1FF-SS · 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: J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.450 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL THREAD SIZE: 1.250 INCHES FIRST END IN
•
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NONDEFINITIVE SPEC/STD DATA: 38 FIGURE
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
NOMINAL OVERALL LENGTH2.450 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL THREAD SIZE1.250 INCHES FIRST END IN
NOMINAL THREAD SIZE1.000 INCHES SECOND END IN
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA38 FIGURE
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORNPTF ALL ENDS
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 4
20-16 140137SReference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE-J514-3Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE-J514Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1 1/4X1FF-SS?
1 1/4X1FF-SS is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 1 1/4X1FF-SS?
There are 4 known substitutes for 1 1/4X1FF-SS: 20-16 140137S, SAE-J514-3, J514 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1 1/4X1FF-SS?
1 1/4X1FF-SS is cataloged in the U.S. Government catalog under NSN 4730-01-035-1432. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.