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NSN CS4320-0331

Wearing Ring

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

5.261 inches minimum and 5.263 inches maximum body inside diameter, unable to decode chamfer angle, external locking flange body style, 5.623 inches minimum and 5.624 inches maximum body outside diameter, 0.172 inches minimum and 0.177 inches maximum center flange thickness.

NSN 4320-00-657-4172 Datasheet

(NSN) National Stock Number
4320-00-657-4172
(FSG) Federal Supply Group
43 - Pumps and Compressors
(FSC) Federal Supply Classification
4320 - Power and Hand Pumps
(NIIN) National Item Identification Number
00-657-4172
Requires Demilitarization
Yes
(INC) Item Name Code
22534
Date
Mon, Oct 5, 1970
Schedule B Code
8413919520
Body Inside Diameter
5.261 inches minimum and 5.263 inches maximum
Body Outside Diameter
5.623 inches minimum and 5.624 inches maximum
Body Style
external locking flange
Center Flange Thickness
0.172 inches minimum and 0.177 inches maximum
Chamfer Angle
unable to decode
Chamfer Length
unable to decode
Corner Shape
unable to decode
Distance Below Centerline
0.062 inches nominal
End To Flange Distance
0.440 inches nominal
Internal Flange Inside Diameter
4.500 inches nominal
Internal Flange Width
0.620 inches nominal
Largest External Anchor Flange Radius
3.125 inches nominal
Material
nickel alloy
Overall Length
0.875 inches nominal
Smallest External Anchor Flange Radius
2.938 inches nominal

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0022534

Cross Reference

CAGE Codes

16236
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Government departments or units, including military organizations
83130
Air & Liquid Systems Corporation Dba Buffalo Pumps
U.s./canadian manufacturers

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
M - 85.0
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
64870
Water Commodity
594 - Pumps and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
128000

Schedule B & Trade

Schedule B
8413-91-9520
Description
parts, nesoi, of pumps for liquids
End Use
21100 - Industrial engines
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
74291
(NAICS) North American Industrial Classification System
333914

Questions & Answers

  1. What is the FSCG of the NSN 4320-00-657-4172?

    The FSCG of the NSN 4320-00-657-4172 is 4320

  2. Does the NSN 4320-00-657-4172 have a Schedule B code assigned?

    Yes, the Schedule B code is 8413919520

  3. Does NSN 4320-00-657-4172 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 4320-00-657-4172 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4320-00-657-4172 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  6. When the NSN 4320-00-657-4172 was assigned to the Federal Catalog?

    It was assigned 56 years ago, on Mon, Oct 5, 1970

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