PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8535998-1Filter,band Pass

Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories · NSN 5915-00-991-3504 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-991-3504 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-991-3504. Primary manufacturer part number: 8535998-1.
Features
  • Filter,band Pass — FSC 5915
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN
  • Discrimination at Specified Frequencies Per Function in Decibels: 65.5 NOMINAL BLANK AND 0.5 NOMINAL BLANK FIRST FUNCTION
  • Insertion Loss at Reference Frequency Per Function in Decibels: 0.5 BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Reference Frequency Per Function: 7.75 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Inclosure Type: HERMETICALLY SEALED
  • Specified Frequencies of Discrimination Per Function: 1.00 KILOHERTZ BLANK AND 5.50 KILOHERTZ BLANK AND 10.00 KILOHERTZ BLANK AND 16.00 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
  • Distance Between Centerlines of Mounting Facilities Parallel to Body Length: 1.796 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,band Pass, cataloged under National Stock Number 5915-00-991-3504, 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 Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5915-00-991-3504
Primary Part Number8535998-1
Item NameFilter,band Pass
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerLockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories
StatusACTIVE
Distance Between Centerlines of Mounting Facilities Parallel to Body Width1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN
Discrimination at Specified Frequencies Per Function in Decibels65.5 NOMINAL BLANK AND 0.5 NOMINAL BLANK FIRST FUNCTION
Insertion Loss at Reference Frequency Per Function in Decibels0.5 BLANK LOCATION NOT OTHERWISE SPECIFIED
Reference Frequency Per Function7.75 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeHERMETICALLY SEALED
Specified Frequencies of Discrimination Per Function1.00 KILOHERTZ BLANK AND 5.50 KILOHERTZ BLANK AND 10.00 KILOHERTZ BLANK AND 16.00 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Distance Between Centerlines of Mounting Facilities Parallel to Body Length1.796 INCHES MINIMUM AND 1.828 INCHES MAXIMUM IN
Operating Temp Range+0.0 TO 65.0 CELSIUS DEGC
Body Width1.687 INCHES MINIMUM AND 1.719 INCHES MAXIMUM IN
Body Height6.157 INCHES MINIMUM AND 6.219 INCHES MAXIMUM IN
Body Length2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM IN
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON ONE SURFACE
Frequency Band Width Per Function5.50 KILOHERTZ BLANK AND 10.00 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-038-65498006 INTERCHANGEABLE
Lock Ring
Tuthill Corp Hansen Coupling Div
3110-00-156-40657006 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
3455-00-243-217311550 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
1660-00-518-51528006 INTERCHANGEABLE
Spool,valve
Essex Industries, Inc. Dba Essex Industries
9540-00-528-9327 INTERCHANGEABLE
Angle,structural
5120-00-534-78305120-00-534-7830 INTERCHANGEABLE
Adapter,mechanical Puller
General Services Administration Federal Supply Service
9540-00-720-1357 INTERCHANGEABLE
Angle,structural
5310-00-934-9747MS35649-262 INTERCHANGEABLE
Nut,plain,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5970-00-959-84898006 INTERCHANGEABLE
Insulation Sleeving,electrical
Birnbach Co Inc
6540-01-095-92948006 INTERCHANGEABLE
Lens,ophthalmic,compound
Defense Logistics Agency Directorate of Medical Materiel Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
8535998-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8535998-1 PRIMARY Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
8006 Omnitec Data Corp Sub of Nytronics Inc (USA)
Related Parts
4730-00-038-6549INTERCHANGEABLE
LOCK RING
8006
3110-00-156-4065INTERCHANGEABLE
BEARING,BALL,ANNULAR
7006
3455-00-243-2173INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11550
1660-00-518-5152INTERCHANGEABLE
SPOOL,VALVE
8006
9540-00-528-9327INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-534-7830INTERCHANGEABLE
ADAPTER,MECHANICAL PULLER
5120-00-534-7830
9540-00-720-1357INTERCHANGEABLE
ANGLE,STRUCTURAL
5310-00-934-9747INTERCHANGEABLE
NUT,PLAIN,HEXAGON
MS35649-262
5970-00-959-8489INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
8006
6540-01-095-9294INTERCHANGEABLE
LENS,OPHTHALMIC,COMPOUND
8006
5905-01-101-9412INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
8006
5305-01-120-5901INTERCHANGEABLE
SCREW

Frequently Asked Questions

What is NSN 5915-00-991-3504?

NSN 5915-00-991-3504 is a Filter,band Pass, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-991-3504?

NSN 5915-00-991-3504 has 3 cross-referenced part numbers: 8535998-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8535998-1 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 8006 (Omnitec Data Corp Sub of Nytronics Inc).

What NSN replaces 5915-00-991-3504?

There are 12 known substitutes for 5915-00-991-3504: 4730-00-038-6549, 3110-00-156-4065, 3455-00-243-2173 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8535998-1?

Key specifications for 8535998-1: Distance Between Centerlines of Mounting Facilities Parallel to Body Width: 1.172 INCHES MINIMUM AND 1.204 INCHES MAXIMUM IN; Discrimination at Specified Frequencies Per Function in Decibels: 65.5 NOMINAL BLANK AND 0.5 NOMINAL BLANK FIRST FUNCTION; Insertion Loss at Reference Frequency Per Function in Decibels: 0.5 BLANK LOCATION NOT OTHERWISE SPECIFIED; Reference Frequency Per Function: 7.75 KILOHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED. 14 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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