The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.500 INCHES NOMINAL IN, neck_height: 0.130 INCHES NOMINAL IN, socket_depth: 0.500 INCHES NOMINAL IN, flange_diameter: 4.250 INCHES NOMINAL IN, socket_diameter: 1.360 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-469-9867, 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
99-D-221
NSN:4730-01-469-9867 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:71905 — DERBYSHIRE MACHINE & TOOL CO (USA)
SPECIFICATIONS
material
STEEL
thickness
0.500 INCHES NOMINAL IN
neck_height
0.130 INCHES NOMINAL IN
socket_depth
0.500 INCHES NOMINAL IN
flange_diameter
4.250 INCHES NOMINAL IN
socket_diameter
1.360 INCHES NOMINAL IN
style_designator
ROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter
0.620 INCHES NOMINAL IN
bolt_hole_quantity
4
raised_face_height
0.060 INCHES NOMINAL IN
bolt_circle_diameter
3.120 INCHES NOMINAL IN
flange_section_style
RAISED FACE, SOCKET NECK
NSN
4730-01-469-9867
COMPONENT DIAGRAM
KEY FEATURES
•
SOCKET DIAMETER: 1.360 INCHES NOMINAL IN
•
FLANGE DIAMETER: 4.250 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: SERRATED
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
•
SOCKET DEPTH: 0.500 INCHES NOMINAL IN
•
FLANGE SECTION STYLE: RAISED FACE, SOCKET NECK
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
TECHNICAL CHARACTERISTICS
SOCKET DIAMETER
1.360 INCHES NOMINAL IN
FLANGE DIAMETER
4.250 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITION
SERRATED
NOMINAL PIPE SIZE FOR WHICH DESIGNED
1.000 INCHES IN
SOCKET DEPTH
0.500 INCHES NOMINAL IN
FLANGE SECTION STYLE
RAISED FACE, SOCKET NECK
CRITICALITY CODE JUSTIFICATION
ZZZX
STYLE DESIGNATOR
ROUND, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER
0.620 INCHES NOMINAL IN
NECK HEIGHT
0.130 INCHES NOMINAL IN
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 99-D-221?
99-D-221 is a FLANGE,PIPE.
What parts can replace 99-D-221?
There are 2 known substitutes for 99-D-221: ASME-B16.5 1NPS SK WELD, ASTM-A105 GR11,150# RAISED FACE. Substitute compatibility should be verified for your specific system.
What is the NSN for 99-D-221?
99-D-221 is cataloged in the U.S. Government catalog under NSN 4730-01-469-9867. This indicates validated use in U.S. government and defense supply chains.
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