The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, special_features: 1-19 TO 22 DEGREE MAXIMUM OF .007 INCH WIDE SCARF CUT IN, peripheral_diameter: 2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN, center_hole_diameter: 2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN, cross-sectional_height: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN, end_item_identification: SSN 688 CLASS SUBMARINE PERISCOPE HOIST CYLINDER. This part is cataloged in the U.S.
Government catalog under NSN 5330-01-566-0385, 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
6640222-12
NSN:5330-01-566-0385 FSC:5330 — Packing and Gasket Materials CAGE:53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
material
PLASTIC POLYTETRAFLUOROETHYLENE
special_features
1-19 TO 22 DEGREE MAXIMUM OF .007 INCH WIDE SCARF CUT IN
peripheral_diameter
2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN
center_hole_diameter
2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
cross-sectional_height
0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
end_item_identification
SSN 688 CLASS SUBMARINE PERISCOPE HOIST CYLINDER
cross-sectional_shape_style
SINGLE TURN SPIRAL
part_name_assigned_by_controlling_agency
RETAINER,PACKING,BACK-UP
NSN
5330-01-566-0385
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE TURN SPIRAL
•
PERIPHERAL DIAMETER: 2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT
0.065 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE
SINGLE TURN SPIRAL
PERIPHERAL DIAMETER
2.844 INCHES MINIMUM AND 2.848 INCHES MAXIMUM IN
SPECIAL FEATURES
1-19 TO 22 DEGREE MAXIMUM OF .007 INCH WIDE SCARF CUT IN
CENTER HOLE DIAMETER
2.500 INCHES MINIMUM AND 2.502 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCY
RETAINER,PACKING,BACK-UP
END ITEM IDENTIFICATION
SSN 688 CLASS SUBMARINE PERISCOPE HOIST CYLINDER
MATERIAL
PLASTIC POLYTETRAFLUOROETHYLENE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 6640222-12?
6640222-12 is a BACK-UP RING,PREFORMED PACKING.
What is the NSN for 6640222-12?
6640222-12 is cataloged in the U.S. Government catalog under NSN 5330-01-566-0385. This indicates validated use in U.S. government and defense supply chains.
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