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NSN 021-255

Metal Seal 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.

used on engine generator end item identification.

NSN 5330-00-401-4335 Datasheet

(NSN) National Stock Number
5330-00-401-4335
(FSG) Federal Supply Group
53 - Hardware and Abrasives
(FSC) Federal Supply Classification
5330 - Packing and Gasket Materials
(NIIN) National Item Identification Number
00-401-4335
Requires Demilitarization
Yes
(INC) Item Name Code
21205
Date
Fri, Nov 21, 1969
Schedule B Code
3926904500
End Item Identification
used on engine generator

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
P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.
Pseudo Item Name Code
0021205

Cross Reference

CAGE Codes

14541
Cooper Machinery Services Llc
U.s./canadian manufacturers
55509
Cooper Cameron Corp Ajax-Superior Div
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
W - Rating variable
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
95100
Water Commodity
596 - Gaskets, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
194120

Schedule B & Trade

Schedule B
3926-90-4500
Description
gaskets,washers & other seals
End Use
12770 - Other industrial supplies
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
89399
(NAICS) North American Industrial Classification System
339991

Questions & Answers

  1. What is the FSCG of the NSN 5330-00-401-4335?

    The FSCG of the NSN 5330-00-401-4335 is 5330

  2. Does the NSN 5330-00-401-4335 have a Schedule B code assigned?

    Yes, the Schedule B code is 3926904500

  3. Does NSN 5330-00-401-4335 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 5330-00-401-4335 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 5330-00-401-4335 contain hazardous materials?

    Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

  6. When the NSN 5330-00-401-4335 was assigned to the Federal Catalog?

    It was assigned 56 years ago, on Fri, Nov 21, 1969

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