PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

740829-103Filter,band Pass

Lockheed Martin Corp · NSN 5915-00-491-6326 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-491-6326 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-491-6326. Primary manufacturer part number: 740829-103.
Features
  • Filter,band Pass — FSC 5915
  • Vibration Resistance Range in Hertz: +10.0 TO 55.0
  • Style Designator: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
  • Specified Frequencies of Discrimination Per Function: 350.00 HERTZ BLANK AND 665.00 HERTZ BLANK AND 735.00 HERTZ BLANK AND 1.40 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Insertion Loss at Reference Frequency Per Function in Decibels: 5.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Nominal Thread Size: 0.112 INCHES IN
  • Frequency Band Width Per Function: 665.00 HERTZ BLANK AND 735.00 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Operating Temp Range: -54.0 TO 71.0 CELSIUS DEGC
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,band Pass, cataloged under National Stock Number 5915-00-491-6326, is classified within Federal Supply Class 5915 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5915-00-491-6326
Primary Part Number740829-103
Item NameFilter,band Pass
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Vibration Resistance Range in Hertz+10.0 TO 55.0
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
Specified Frequencies of Discrimination Per Function350.00 HERTZ BLANK AND 665.00 HERTZ BLANK AND 735.00 HERTZ BLANK AND 1.40 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Insertion Loss at Reference Frequency Per Function in Decibels5.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Nominal Thread Size0.112 INCHES IN
Frequency Band Width Per Function665.00 HERTZ BLANK AND 735.00 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Operating Temp Range-54.0 TO 71.0 CELSIUS DEGC
Body Width1.000 INCHES NOMINAL IN
Body Length1.000 INCHES NOMINAL IN
Average Life Rating in Hours10000.0
Input Impedance Per Function W/load330.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Maximum Dielectric Withstanding AC Rms Voltage500.0 VOLTS AT SEA LEVEL
Functional Terminal Type and Quantity1 WIRE HOOK OUTPUT SECOND FUNCTION
Discrimination at Specified Frequencies Per Function in Decibels40.0 MINIMUM BLANK AND 7.0 MAXIMUM BLANK FIRST FUNCTION
Inclosure TypeENCASED
Output Impedance Per Function W/source Across Input330.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Reference Frequency Per Function700.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type and Quantity1 WIRE HOOK GROUND THIRD FUNCTION
Functional Terminal Type and Quantity1 WIRE HOOK INPUT FIRST FUNCTION
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Mounting Facility Type and Quantity2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.750 INCHES NOMINAL IN
Body Height1.375 INCHES NOMINAL IN
Principal Circuitry Type Per FunctionINDUCTANCE-CAPACITANCE BLANK LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-214-3195 INTERCHANGEABLE
Nut,plain,slotted,hexagon
5998-00-252-7147 INTERCHANGEABLE
Circuit Card Assembly
6220-00-299-5646 INTERCHANGEABLE
Light,marker,clearance
6145-00-519-2307111511-0001 INTERCHANGEABLE
Cable,power,electrical
Thales Usa, Inc. Div Air Mobility Solutions ("ams")
5330-00-584-59331951A3 INTERCHANGEABLE
Gasket
Circor Aerospace, Inc. Dba Circor Aerospace Inc
6625-00-834-9485TS-1294A/U INTERCHANGEABLE
Test Set,semiconductor Device
Joint Electronics Type Designation System
5910-00-865-45101951 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Knowles Cazenovia, Inc. Div Johanson Manufacturing
6510-01-085-47411951 INTERCHANGEABLE
Cellulose,oxidized Regenerated
Johnson & Johnson Sales and Logistics Company Llc Div Sales and Logistics Company, Llc
5985-01-145-22001951 INTERCHANGEABLE
Switch,radio Frequency Transmiss
General Microwave Corporation Div Kratos Microwave Electronics
6550-01-217-8842719510 INTERCHANGEABLE
Test Kit,antibody Detection,red
Ortho Diagnostic Systems Inc
Cross-Reference Index
Part NumberManufacturer
25A041 Quest Electronic Development Div Sacom/tpe (USA)
25A041 Williamson Corporation Dba Williamson Corp (USA)
740829-103 PRIMARY Lockheed Martin Corp (USA)
1951 De Coursey Engineering Laboratory (USA)
Related Parts
5310-00-214-3195INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
5998-00-252-7147INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6220-00-299-5646INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
6145-00-519-2307INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
111511-0001
5330-00-584-5933INTERCHANGEABLE
GASKET
1951A3
6625-00-834-9485INTERCHANGEABLE
TEST SET,SEMICONDUCTOR DEVICE
TS-1294A/U
5910-00-865-4510INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
1951
6510-01-085-4741INTERCHANGEABLE
CELLULOSE,OXIDIZED REGENERATED
1951
5985-01-145-2200INTERCHANGEABLE
SWITCH,RADIO FREQUENCY TRANSMISS
1951
6550-01-217-8842INTERCHANGEABLE
TEST KIT,ANTIBODY DETECTION,RED
719510
6510-01-310-6295INTERCHANGEABLE
CELLULOSE,OXIDIZED REGENERATED
MA-376-89
4820-01-340-1252INTERCHANGEABLE
VALVE,CHECK
115657176FN25

Frequently Asked Questions

What is NSN 5915-00-491-6326?

NSN 5915-00-491-6326 is a Filter,band Pass, manufactured by Lockheed Martin Corp, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-491-6326?

NSN 5915-00-491-6326 has 4 cross-referenced part numbers: 25A041 (Quest Electronic Development Div Sacom/tpe), 25A041 (Williamson Corporation Dba Williamson Corp), 740829-103 (Lockheed Martin Corp), 1951 (De Coursey Engineering Laboratory).

What NSN replaces 5915-00-491-6326?

There are 12 known substitutes for 5915-00-491-6326: 5310-00-214-3195, 5998-00-252-7147, 6220-00-299-5646 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 740829-103?

Key specifications for 740829-103: Vibration Resistance Range in Hertz: +10.0 TO 55.0; Style Designator: RECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE; Specified Frequencies of Discrimination Per Function: 350.00 HERTZ BLANK AND 665.00 HERTZ BLANK AND 735.00 HERTZ BLANK AND 1.40 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Insertion Loss at Reference Frequency Per Function in Decibels: 5.0 BLANK LOCATION NOT OTHERWISE SPECIFIED. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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