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Technical Data Sheet
PartsTable / COMPONENT / 2F1-4
2F1-4 ✓ 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,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, body_width: 12.812 INCHES MAXIMUM IN, seat_angle: 37.0 DEGREES ALL ENDS, body_height: 12.625 INCHES MAXIMUM IN, body_length: 16.562 INCHES MAXIMUM IN, thread_class: 2A ALL ENDS A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-8717, 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
2F1-4
NSN: 4730-00-278-8717
FSC: 4730
CAGE: 04806 — CONTROL PRODUCTS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_width12.812 INCHES MAXIMUM IN
seat_angle37.0 DEGREES ALL ENDS
body_height12.625 INCHES MAXIMUM IN
body_length16.562 INCHES MAXIMUM IN
thread_class2A ALL ENDS A
inclosure_typeFULLY INCLOSED
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
inductance_typeFIXED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
connection_styleFLARED (TUBE) ALL ENDS
special_featuresBXR SPEC DWG L291836-1; REFERENCE DATA, FIG 275, INDEX 106, L-1301, T.O. 31P6-2FPS20-4, SEC 2, PG 730
NSN4730-00-278-8717
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2F1-4 · 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
•
STYLE DESIGNATOR: PLAIN AND COMPRESSION W/ CENTER WRENCHING FACILITY
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: COPPER ALLOY OVERALL
•
SEAT ANGLE: 37.0 DEGREES ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN AND COMPRESSION W/ CENTER WRENCHING FACILITY
SPECIAL FEATURESGRUMMAN A-10 AIRCRAFT
CONNECTION STYLEFLARED (TUBE) ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORUNF ALL ENDS
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALCOPPER ALLOY OVERALL
SEAT ANGLE37.0 DEGREES ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
NOMINAL OVERALL LENGTH0.790 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
640Interchangeable
interchangeable cross-reference
interchangeable
517-9000-017Interchangeable
interchangeable cross-reference
interchangeable
7085Interchangeable
interchangeable cross-reference
interchangeable
3C316-26Interchangeable
interchangeable cross-reference
interchangeable
830894Interchangeable
interchangeable cross-reference
interchangeable
L291836-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2F1-4?
2F1-4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 2F1-4?
There are 27 known substitutes for 2F1-4: 640, 517-9000-017, 7085 and 24 more. Substitute compatibility should be verified for your specific system.
Is 2F1-4 still available?
2F1-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026