NSN 6625-01-039-0467 AN/USM-326A, ANUSM326A, 9648M

Product Details | DIGITAL READOUT ELECTRONIC COUNTER

6625-01-039-0467 An instrument used to count the frequency of recurrent electronic events and display the count on the panel of the instrument in numeric form. May also include facilities for a readout printed on tape. May include facilities for a very accurate output which can be used as a secondary transfer standard. It can be used to measure frequency, period, time interval, phase angle, frequency ratio, and for multiple period averaging. See also COUNTER, ELECTRONIC, DIGITAL and INDICATOR, DIGITAL DISPLAY.

Part Alternates: AN/USM-326A, ANUSM326A, 9648M, 6625-01-039-0467, 01-039-0467, 6625010390467, 010390467

Instruments and Laboratory Equipment | Electrical and Electronic Properties Measuring and Testing Instruments

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
66	16 APR 1977	01-039-0467	26835 ( COUNTER, ELECTRONIC, DIGITAL READOUT )

Part Number	Request Date	QTY	Origin	SBA
ANUSM326A	2024-05-137	2	United States

Cross Reference | NSN 6625-01-039-0467

Part Number	Cage Code	Manufacturer
9648M	50423	BALLANTINE LABORATORIES INC
AN/USM-326A	80058	JOINT ELECTRONICS TYPE DESIGNATION SYSTEM

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Related Products | NSN 6625-01-039-0467

6625-01-039-0468, 6625-01-039-0511, 6625-01-039-0529, 6625-01-039-0543, 6625-01-039-0699

Technical Data | NSN 6625-01-039-0467

Characteristic	Specifications
MEASUREMENT TYPE	FREQUENCY
FREQUENCY RANGE	0.000 TO 500.000 MEGAHERTZ OVERALL
ACCURACY RATING	STABLE TO 3 PARTS IN 10E-9/DAY
INTERNAL CALIBRATION FEATURE	INCLUDED
DISPLAY TYPE	LIGHT EMITTING DIODE
DISPLAY DIGIT QUANTITY	9
DISPLAY UNITS INDICATOR	INCLUDED
DISPLAY POSITIONED DECIMAL POINT	PROVIDED
DISPLAY STORAGE FACILITY	NOT INCLUDED
REMOTE CONTROL PROVISIONS	NOT INCLUDED
SOLID STATE FEATURE	INCLUDED
ELECTRICAL CONNECTION QUANTITY	9
CURRENT TYPE	AC
VOLTAGE RATING	115.0 VOLTS NOMINAL OR 230.0 VOLTS NOMINAL
FREQUENCY RATING	50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
PHASE	SINGLE
WATTAGE RATING IN WATTS	50.0
INTERNAL BATTERY ACCOMMODATION	NOT INCLUDED
INCLOSURE MATERIAL AND LOCATION	METAL BODY
OVERALL LENGTH	19.000 INCHES NOMINAL
OVERALL WIDTH	19.000 INCHES NOMINAL
OVERALL HEIGHT	6.000 INCHES NOMINAL
MOUNTING METHOD	BENCH
PLUG-IN UNITS PROVISION	NOT INCLUDED
STANDARD FREQUENCY OUTPUT FEATURE	INCLUDED
OUTPUT FREQUENCY RATING	1.0 MEGAHERTZ MINIMUM AND 10.0 MEGAHERTZ MAXIMUM
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM NAME	COUNTER,ELECTRONIC DIGITAL READOUT
JOINT ELECTRONICS TYPE DESIGNATION SYSTEM ITEM TYPE NUMBER	AN/USM-326A
TEST DATA DOCUMENT	81349-MIL-T-21200 SPECIFICATION AND 81349-MIL-T-28800 SPECIFICATION
SPECIAL TEST FEATURES	MIL-T-21200 CLASS 2; MIL-T-28800 TYPE 1, CLASS 2
III UNPACKAGED UNIT WEIGHT	40.000 POUNDS
III FUNCTIONAL CLASSIFICATION	AA-6.3
III FUNCTIONAL DESCRIPTION	2 CHANNEL ENVIRONMENTALIZED COUNTER/TIMER. ELEVEN OPERATING MODES INCLUDING FREQUENCY BURST MEASUREMENTS. DIRECT COUNTING TO 110MHZ PRESCALED TO 550MHZ. TIMING MEASUREMENTS 100NANOSEC TO 10E9 SEC
III REFERENCE DATA AND LITERATURE	TO 33A1-5-435-4
MANUFACTURERS CODE	50423
DESIGN CONTROL REFERENCE	9648M

Restrictions/Controls & Freight Information | NSN 6625-01-039-0467

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	P	There 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:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	061700	ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating	P	77.5
Less than truck load rating	J	100.2
Water commodity Code	738	unknown
Originating Activity Code	SE	San Antonio Air Logistics Center Kelly AFB, TX 78241-5000
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 6625-01-039-0467

Air Force

Category	Code	Description
Materiel Management Aggregation Code	RH	TG:AUTO TEST EQUIPMENT/AUTO TEST SYSTEMS (ATE/ATS) (FSC RESIDUAL MMAC)
Price Validation	X	The current standard price has been validated and the previous price was erroneous. The item was overpriced and the contractor has refunded the overcharge or DoD activities did not actually pay the previous price. The price paid is within the analyzed acceptable range. If the difference from the previous price exceeds $99.99, or if the price change exceeds 500 percent and the extended value of any affected transaction exceeds $99.99, then reverse-post procedures will apply where the stock fund has overcharged unit O&M Funds. These corrections will be limited to the current fiscal year. ZOP or Standard Price challenges are permissible, but should be supported by adequate justification
Budget Code	Y	variousO & M:AF centrally procured equipment items. They are separate, primary end items (other than the weapon system itself) needed by a user to perform an assigned mission. They are nonexpendable items (ERRCD NF or ND) which are not consumed in use, and they do not lose their original identity during periods of use by incorporation into, or attachment to another assembly.
Source of Supply	FLZ	Warner Robins Air Logistics Center Robins AFB, GA 31098-5609
Agency	DF	Department of the Air Force
Service Organization	L	Lead Service - 22 (Repairable)
Reparability	S	AF Equipment Management System (AFEMS)
Acquisition Advice Codes	V	TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each