Product Details | VARIABLE ATTENUATOR

5985-00-403-9718 A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also RESISTOR, VAIABLE (as modified).

Part Alternates: 17134961, 17-13496-1, 5985-00-403-9718, 00-403-9718, 5985004039718, 004039718

Electrical and Electronic Equipment Components | Antennas, Waveguides, and Related Equipment

Supply Group (FSG) NSN Assign. NIIN
59 04 AUG 1969 00-403-9718

Drawings & Photos | NSN 5985-00-403-9718


Demand History | NSN 5985-00-403-9718

Part Number Request Date QTY Origin
5985-00-403-9718 2011-08-224 1 DIBBS
5985-00-403-9718 2011-07-198 1 DIBBS
5985-00-403-9718 2011-02-40 1 DIBBS
5985-00-403-9718 2007-05-121 5 DIBBS

Cross Reference | NSN 5985-00-403-9718

Part Number Cage Code Manufacturer
17-13496-1 04614 TEXTRON SYSTEMS CORPORATION DBA TEXTRON DEFENSE SYSTEMS
17-13496-1 25531 SPACE MACHINE & ENGINEERING CORP.
17-13496-1 80070 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN

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Technical Data | NSN 5985-00-403-9718

Characteristic Specifications
APPLICATION DESIGN WAVEGUIDE
VOLTAGE STANDING WAVE RATIO 1.07
OVERALL ATTENUATION RANGE IN DECIBELS 20.0 TO 45.0
ATTENUATION VARIATION METHOD CONTINUOUS
BODY STYLE 1A WAVEGUIDE TYPE
OVERALL LENGTH 3.475 INCHES NOMINAL
OVERALL HEIGHT 1.775 INCHES NOMINAL
OVERALL WIDTH 1.700 INCHES NOMINAL
ADJUSTMENT DEVICE TYPE AND QUANTITY 1 SLOTTED SCREW
TERMINAL TYPE AND QUANTITY 2 FLANGE
WAVEGUIDE FLANGE DESIGNATION UG-599/U
MOUNTING FACILITY TYPE AND QUANTITY 4 UNTHREADED HOLE
MOUNTING FACILITY PATTERN FOUR POSITION RECTANGULAR
UNTHREADED MOUNTING HOLE DIAMETER 0.116 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 0.530 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 0.500 INCHES NOMINAL
SPECIAL FEATURES PORT 1 HAS 90-DEGREE BEND. WEAPON SYSTEM ESSENTIAL
CRITICALITY CODE JUSTIFICATION FEAT
III WAVEGUIDE FLANGE TYPE CHOKE
III END ITEM IDENTIFICATION LANDING SYSTEM AUTOMATIC CARRIER, DUAL CHANNEL, AN/SPN-42T-3, 42T-4,AND AN/SPN-46 (V) 1, NIMITZ CLASS CVN, FORRESTAL CLASS CV
MANUFACTURERS CODE 04614
DESIGN CONTROL REFERENCE 17-13496-1

Restrictions/Controls & Freight Information | NSN 5985-00-403-9718

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:YThe item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application.
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating J 100.2
Water commodity Code 658 unknown
Originating Activity Code HH Navy ICP
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5985-00-403-9718

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each