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NSN 41001732

Check Valve

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

1.420 inches face to face distance, unable to decode maximum operating pressure, unable to decode material, unable to decode maximum operating temp, unable to decode material document and classification.

NSN 4820-01-081-3763 Datasheet

(NSN) National Stock Number
4820-01-081-3763
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
01-081-3763
Requires Demilitarization
Yes
(INC) Item Name Code
05487
Date
Sun, Aug 12, 1979
Schedule B Code
8481309000
Face To Face Distance
1.420 inches
Material Document And Classification
unable to decode
Material
unable to decode
Maximum Operating Temp
unable to decode
Maximum Operating Pressure
unable to decode
Mounting Position
horizontal or vertical
Style Designator
straight thru flanged ends
Valve Size
0.725 inches

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
0005487

Cross Reference

CAGE Codes

81873
Woodward Hrt Inc
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.
Less than Carload Rating
P - 77.5
National Motor Freight Class Rating
P - 77.5
Rail Variation
1
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
64490
Water Commodity
594 - Pumps and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
127220

Schedule B & Trade

Schedule B
8481-30-9000
Description
check valves of materials other than copper, iron or steel
End Use
21180 - Industrial machines, other
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
74730
(NAICS) North American Industrial Classification System
332911

Questions & Answers

  1. What is the FSCG of the NSN 4820-01-081-3763?

    The FSCG of the NSN 4820-01-081-3763 is 4820

  2. Does the NSN 4820-01-081-3763 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481309000

  3. Does NSN 4820-01-081-3763 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 4820-01-081-3763 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 4820-01-081-3763 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 4820-01-081-3763 was assigned to the Federal Catalog?

    It was assigned 47 years ago, on Sun, Aug 12, 1979

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