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NSN 6985002

Special Muffler

An object of various materials, that retains a magnetic field for an indefinite period of time after the magnetizing force has been removed. Excludes:electromagnet; magnetized hand tools; and compass needles.

refer to eb specification 4229; the polymer for the four muffler layers shall be rw-2577-82 i/a/w section 3.4.1; the filler material for the muffler layers shall be i/a/w section 2.1 of appendix a of the specification; the % fill for each layer shall be i/a/w table 1 of appendix a special test features, muffler/diffuser assembly requires shock qualification i/a/w section 072 of the nssn class ships specifications and ppd 802-6337447, ddam procedures; the following attributes apply: shock qualification method: analysis; shock test category: not available; shock grade: b; equipment test/analysis class: not available; equipment hold-down means: grade 500 size 1.250; material: qq-n-286 class a, specification: mil-s-1222h; shock test type: not available; mounting location (shipboard): wetted surface; mounting plane (shipboard): not available; mounting orientation (shipboard): not available; limitations: none; qualification approval document (if complete) is referenced in the document field within the part description(s) general characteristics item description, nssn class submarine end item identification, 80204-ansi y14.5m-1982 professional/industrial association standard specification/standard data, compound muffler part name assigned by controlling agency.

NSN 2990-01-679-4209 Datasheet

(NSN) National Stock Number
2990-01-679-4209
(FSG) Federal Supply Group
29 - Engine Accessories
(FSC) Federal Supply Classification
2990 - Nonaircraft Miscellaneous Engine Accessories
(NIIN) National Item Identification Number
01-679-4209
Requires Demilitarization
Yes
(INC) Item Name Code
77777
Date
Fri, Mar 22, 2019
End Item Identification
nssn class submarine
General Characteristics Item Description
muffler/diffuser assembly requires shock qualification i/a/w section 072 of the nssn class ships specifications and ppd 802-6337447, ddam procedures; the following attributes apply: shock qualification method: analysis; shock test category: not available; shock grade: b; equipment test/analysis class: not available; equipment hold-down means: grade 500 size 1.250; material: qq-n-286 class a, specification: mil-s-1222h; shock test type: not available; mounting location (shipboard): wetted surface; mounting plane (shipboard): not available; mounting orientation (shipboard): not available; limitations: none; qualification approval document (if complete) is referenced in the document field within the part description(s)
Part Name Assigned By Controlling Agency
compound muffler
Special Test Features
refer to eb specification 4229; the polymer for the four muffler layers shall be rw-2577-82 i/a/w section 3.4.1; the filler material for the muffler layers shall be i/a/w section 2.1 of appendix a of the specification; the % fill for each layer shall be i/a/w table 1 of appendix a
Specification/Standard Data
80204-ansi y14.5m-1982 professional/industrial association standard
Supplementary Features
noise control (submarine)

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
A - Item does not contain precious metal.
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
1373747

Cross Reference

CAGE Codes

53711
Naval Sea Systems Command
U.s./canadian manufacturers
96169
Electric Boat Corporation Div General Dynamics Electric Boat
Non-manufacturers
71905
Derbyshire Machine & Tool Co
U.s./canadian manufacturers
82094
Globe Composite Solutions, Llc
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
61440
Water Commodity
593 - Motors and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
125850

Questions & Answers

  1. What is the FSCG of the NSN 2990-01-679-4209?

    The FSCG of the NSN 2990-01-679-4209 is 2990

  2. Does NSN 2990-01-679-4209 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.

  3. Does NSN 2990-01-679-4209 contain precious materials?

    Item does not contain precious metal.

  4. Does NSN 2990-01-679-4209 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.

  5. When the NSN 2990-01-679-4209 was assigned to the Federal Catalog?

    It was assigned 7 years ago, on Fri, Mar 22, 2019

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