PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125-38Filter,band Pass

Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation · NSN 5915-01-049-4170 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-01-049-4170 — this item is cataloged by the U.S. Government under National Stock Number 5915-01-049-4170. Primary manufacturer part number: 125-38.
Features
  • Filter,band Pass — FSC 5915
  • Source Impedance Rating Per Function: 50.0 OHMS 1ST BAND PASS FIRST FUNCTION
  • Reference Frequency Per Function: 3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
  • Specified Frequencies of Discrimination Per Function: 1.81 GIGAHERTZ 1ST BAND PASS AND 1.9925 GIGAHERTZ 1ST BAND PASS AND 4.0075 GIGAHERTZ 1ST BAND PASS AND 4.190 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 1.000 INCHES NOMINAL IN
  • Frequency Band Width Per Function: 2.00 GIGAHERTZ 2ND BAND PASS AND 4.00 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
  • Voltage Standing Wave Ratio Frequency Limits Per Function: 1.0 GIGAHERTZ 2ND BAND PASS AND 2.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
  • Load Impedance Per Function: 50.0 OHMS 1ST BAND PASS FIRST FUNCTION
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,band Pass, cataloged under National Stock Number 5915-01-049-4170, 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 Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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
NSN5915-01-049-4170
Primary Part Number125-38
Item NameFilter,band Pass
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerCrane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation
StatusACTIVE
Source Impedance Rating Per Function50.0 OHMS 1ST BAND PASS FIRST FUNCTION
Reference Frequency Per Function3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
Specified Frequencies of Discrimination Per Function1.81 GIGAHERTZ 1ST BAND PASS AND 1.9925 GIGAHERTZ 1ST BAND PASS AND 4.0075 GIGAHERTZ 1ST BAND PASS AND 4.190 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.000 INCHES NOMINAL IN
Frequency Band Width Per Function2.00 GIGAHERTZ 2ND BAND PASS AND 4.00 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
Voltage Standing Wave Ratio Frequency Limits Per Function1.0 GIGAHERTZ 2ND BAND PASS AND 2.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
Load Impedance Per Function50.0 OHMS 1ST BAND PASS FIRST FUNCTION
Voltage Standing Wave Ratio Per Function2.0 2ND BAND PASS SECOND FUNCTION
Insertion Loss at Reference Frequency Per Function in Decibels2.0 1ST BAND PASS FIRST FUNCTION
Discrimination at Specified Frequencies Per Function in Decibels60.0 NOMINAL 2ND BAND PASS AND 1.0 MAXIMUM 2ND BAND PASS SECOND FUNCTION
Frequency Band Width Per Function2.00 GIGAHERTZ 1ST BAND PASS AND 4.00 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
Specified Frequencies of Discrimination Per Function1.81 GIGAHERTZ 2ND BAND PASS AND 1.9925 GIGAHERTZ 2ND BAND PASS AND 4.0075 GIGAHERTZ 2ND BAND PASS AND 4.190 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION
Inclosure TypeHERMETICALLY SEALED
Voltage Standing Wave Ratio Per Function2.0 1ST BAND PASS FIRST FUNCTION
Insertion Loss at Reference Frequency Per Function in Decibels2.0 2ND BAND PASS SECOND FUNCTION
Mounting Facility Screw Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Body Width1.380 INCHES NOMINAL IN
Distance Between Centerlines of Mounting Facilities Parallel to Body Width0.750 INCHES NOMINAL IN
Load Impedance Per Function50.0 OHMS 2ND BAND PASS SECOND FUNCTION
Nominal Thread Size0.138 INCHES IN
Body Height1.520 INCHES NOMINAL IN
Reference Frequency Per Function3.0 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
Discrimination at Specified Frequencies Per Function in Decibels60.0 NOMINAL 1ST BAND PASS AND 1.0 MAXIMUM 1ST BAND PASS FIRST FUNCTION
Voltage Standing Wave Ratio Frequency Limits Per Function1.0 GIGAHERTZ 1ST BAND PASS AND 2.0 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES
Mounting Facility Type and Quantity4 THREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Source Impedance Rating Per Function50.0 OHMS 2ND BAND PASS SECOND FUNCTION
Body Length1.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3120-00-391-13578376373 INTERCHANGEABLE
Bearing,plain,self-Aligning
U S Army Tank Automotive Command Amsta-Im-Mm
5305-00-484-664012510 INTERCHANGEABLE
Setscrew
Triumph Engine Control Systems Llc
3110-00-554-3265 INTERCHANGEABLE
Bearing,ball,annular
4810-00-601-363412510 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
1660-00-606-706112538 INTERCHANGEABLE
Valve,pressure,reli
Saf Industries Llc Dba Saf Industries Llc Div Garkenyon
5305-00-638-851312510 INTERCHANGEABLE
Screw,shoulder
Telemechanics Inc
2530-00-732-7100124506H INTERCHANGEABLE
Ball Stud
Navistar Intl Corp Truck Br Ohio Plant
2815-00-910-52870910061 INTERCHANGEABLE
Valve,poppet,engine
Perkins Engines Inc
6515-01-104-8780 INTERCHANGEABLE
Bone Plate
5310-01-109-280512538 INTERCHANGEABLE
Nut
Mcneil Ohio Corp
Cross-Reference Index
Part NumberManufacturer
125-38 Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation (USA)
125-10 Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation (USA)
20-812518-3 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
Related Parts
3120-00-391-1357INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
8376373
5305-00-484-6640INTERCHANGEABLE
SETSCREW
12510
3110-00-554-3265INTERCHANGEABLE
BEARING,BALL,ANNULAR
4810-00-601-3634INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
12510
1660-00-606-7061INTERCHANGEABLE
VALVE,PRESSURE,RELI
12538
5305-00-638-8513INTERCHANGEABLE
SCREW,SHOULDER
12510
2530-00-732-7100INTERCHANGEABLE
BALL STUD
124506H
2815-00-910-5287INTERCHANGEABLE
VALVE,POPPET,ENGINE
0910061
6515-01-104-8780INTERCHANGEABLE
BONE PLATE
5310-01-109-2805INTERCHANGEABLE
NUT
12538
8415-01-262-1367INTERCHANGEABLE
GLOVES,DISPOSABLE
2910-01-275-1223INTERCHANGEABLE
FILTER ELEMENT,FLUID

Frequently Asked Questions

What is NSN 5915-01-049-4170?

NSN 5915-01-049-4170 is a Filter,band Pass, manufactured by Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-01-049-4170?

NSN 5915-01-049-4170 has 3 cross-referenced part numbers: 125-38 (Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation), 125-10 (Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation), 20-812518-3 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems).

What NSN replaces 5915-01-049-4170?

There are 12 known substitutes for 5915-01-049-4170: 3120-00-391-1357, 5305-00-484-6640, 3110-00-554-3265 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125-38?

Key specifications for 125-38: Overall Length: 2.160 INCHES NOMINAL IN; Source Impedance Rating Per Function: 50.0 OHMS 1ST BAND PASS FIRST FUNCTION; Reference Frequency Per Function: 3.0 GIGAHERTZ 2ND BAND PASS SECOND FUNCTION; Specified Frequencies of Discrimination Per Function: 1.81 GIGAHERTZ 1ST BAND PASS AND 1.9925 GIGAHERTZ 1ST BAND PASS AND 4.0075 GIGAHERTZ 1ST BAND PASS AND 4.190 GIGAHERTZ 1ST BAND PASS FIRST FUNCTION. 30 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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