The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 1.500 INCHES NOMINAL IN, flange_width: 2.500 INCHES NOMINAL IN, flange_length: 3.190 INCHES NOMINAL IN, special_features: SAE 4-BOLT STRAIGHT THREADED IN-LINE FLANGE IS A CODE 61 SERIES, style_designator: RECTANGULAR, WITH BOLT HOLES. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-485-7644, 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
1173-20-20
NSN:4730-01-485-7644 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:7X443 — MAIN MANUFACTURING PRODUCTS INC (USA)
SPECIFICATIONS
material
STEEL
thickness
1.500 INCHES NOMINAL IN
flange_width
2.500 INCHES NOMINAL IN
flange_length
3.190 INCHES NOMINAL IN
special_features
SAE 4-BOLT STRAIGHT THREADED IN-LINE FLANGE IS A CODE 61 SERIES
style_designator
RECTANGULAR, WITH BOLT HOLES
bolt_hole_diameter
0.470 INCHES NOMINAL IN
bolt_hole_quantity
4
flange_section_style
PLAIN FACE
end_item_identification
INTERCONNECTION
face_seating_surface_condition
MACHINED
unthreaded_reducer_hole_diameter
1.250 INCHES NOMINAL IN
NSN
4730-01-485-7644
COMPONENT DIAGRAM
KEY FEATURES
•
FACE SEATING SURFACE CONDITION: MACHINED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
•
FLANGE SECTION STYLE: PLAIN FACE
•
STYLE DESIGNATOR: RECTANGULAR, WITH BOLT HOLES
•
BOLT HOLE DIAMETER: 0.470 INCHES NOMINAL IN
•
UNTHREADED REDUCER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
FLANGE LENGTH: 3.190 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
FACE SEATING SURFACE CONDITION
MACHINED
NOMINAL PIPE SIZE FOR WHICH DESIGNED
1.250 INCHES IN
FLANGE SECTION STYLE
PLAIN FACE
STYLE DESIGNATOR
RECTANGULAR, WITH BOLT HOLES
BOLT HOLE DIAMETER
0.470 INCHES NOMINAL IN
UNTHREADED REDUCER HOLE DIAMETER
1.250 INCHES NOMINAL IN
FLANGE LENGTH
3.190 INCHES NOMINAL IN
BOLT HOLE QUANTITY
4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH
2.312 INCHES NOMINAL IN
SPECIAL FEATURES
SAE 4-BOLT STRAIGHT THREADED IN-LINE FLANGE IS A CODE 61 SERIES
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.
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FREQUENTLY ASKED QUESTIONS
What is 1173-20-20?
1173-20-20 is a FLANGE,PIPE.
What is the NSN for 1173-20-20?
1173-20-20 is cataloged in the U.S. Government catalog under NSN 4730-01-485-7644. This indicates validated use in U.S. government and defense supply chains.
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