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55931 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

55931: CONNECTOR,RECEPTACLE,ELECTRICAL.

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.910 INCHES NOMINAL FIRST END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-692-8775, 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
55931
NSN: 4730-00-692-8775
NIINs: 006928775, 008200323, 010634069
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle90.0 DEGREES
leg_length0.910 INCHES NOMINAL FIRST END IN
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
nominal_thread_size0.125 INCHES SECOND END IN
thread_series_designatorUNF FIRST END
nondefinitive_spec/std_data30 FIGURE
specification/standard_data81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
reduced_passage_nominal_inside_diameter0.040 INCHES SECOND END IN
NSN4730-00-692-8775
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55931 · 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
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
LEG LENGTH: 0.940 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
LEG LENGTH0.940 INCHES NOMINAL SECOND END IN
LEG LENGTH0.910 INCHES NOMINAL FIRST END IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.040 INCHES SECOND END IN
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 4
SAE-J513Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
RF270-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4-2 010202BReference document
Same NSN cross-reference
Reference document — Secondary reference
J513Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55931?
55931 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 55931?
There are 4 known substitutes for 55931: SAE-J513, RF270-4, 4-2 010202B and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55931?
55931 is cataloged in the U.S. Government catalog under NSN 4730-00-692-8775. This indicates validated use in U.S. government and defense supply chains.
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