PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4545SAC-U345-NRF-DR4Filter,fluid

Norman Filter Company, L.l.c. Dba Norman Filter Co Llc · NSN 4330-01-502-9377 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-502-9377 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-502-9377. Primary manufacturer part number: 4545SAC-U345-NRF-DR4.
Features
  • Filter,fluid — FSC 4330
  • Filtering System for Which Designed: FULL FLOW
  • Body Length: 3.750 INCHES NOMINAL IN
  • Filtering Element Quantity: 1
  • Material: GLASS FIBER FILTERING MEDIUM
  • Body Height: 7.850 INCHES NOMINAL IN
  • Design Type: REUSABLE
  • Filtration Rating in Microns: 3.0 NOMINAL AND 6.0 NOMINAL
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Glass Fiber Filtering Medium construction
General Description

The Filter,fluid, cataloged under National Stock Number 4330-01-502-9377, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Norman Filter Company, L.l.c. Dba Norman Filter Co Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-502-9377
Primary Part Number4545SAC-U345-NRF-DR4
Item NameFilter,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerNorman Filter Company, L.l.c. Dba Norman Filter Co Llc
StatusACTIVE
Filtering System for Which DesignedFULL FLOW
Body Length3.750 INCHES NOMINAL IN
Filtering Element Quantity1
MaterialGLASS FIBER FILTERING MEDIUM
Body Height7.850 INCHES NOMINAL IN
Design TypeREUSABLE
Filtration Rating in Microns3.0 NOMINAL AND 6.0 NOMINAL
MaterialALUMINUM CONTAINER/CARTRIDGE
Media for Which DesignedANY ACCEPTABLE
Operating Pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
Distance From Bottom of Body to Center of Inlet6.470 INCHES NOMINAL IN
Style DesignatorSTRAIGHT FLOW BASKET STRAINER W/ BOLTED COVER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5975-00-085-3337277 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5330-00-171-9368 INTERCHANGEABLE
Rubber Strip
5999-00-503-94047488 INTERCHANGEABLE
Clip,electrical
Belden Wire and Cable Co Wire and Cable Office
4730-01-503-752574-88 INTERCHANGEABLE
Coupling Half,quick Disconnect
Crane Carrier Company, Llc
2840-01-624-15587488 INTERCHANGEABLE
Engine Subassembly,aircraft Gas
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
4545SAC-U345-NRF-DR4 PRIMARY Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA)
4545AC-U345-NRF-DR4 Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA)
7053 ITEM 11 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
7488 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
7488B-01 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
Related Parts
5975-00-085-3337INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
277
5330-00-171-9368INTERCHANGEABLE
RUBBER STRIP
5999-00-503-9404INTERCHANGEABLE
CLIP,ELECTRICAL
7488
4730-01-503-7525INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
74-88
2840-01-624-1558INTERCHANGEABLE
ENGINE SUBASSEMBLY,AIRCRAFT GAS
7488

Frequently Asked Questions

What is NSN 4330-01-502-9377?

NSN 4330-01-502-9377 is a Filter,fluid, manufactured by Norman Filter Company, L.l.c. Dba Norman Filter Co Llc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-502-9377?

NSN 4330-01-502-9377 has 5 cross-referenced part numbers: 4545SAC-U345-NRF-DR4 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc), 4545AC-U345-NRF-DR4 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc), 7053 ITEM 11 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7488 (Howell Laboratories Inc Dba Howell Laboratories Inc), 7488B-01 (Howell Laboratories Inc Dba Howell Laboratories Inc).

What NSN replaces 4330-01-502-9377?

There are 5 known substitutes for 4330-01-502-9377: 5975-00-085-3337, 5330-00-171-9368, 5999-00-503-9404 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4545SAC-U345-NRF-DR4?

Key specifications for 4545SAC-U345-NRF-DR4: Filtering System for Which Designed: FULL FLOW; Body Length: 3.750 INCHES NOMINAL IN; Filtering Element Quantity: 1; Material: GLASS FIBER FILTERING MEDIUM. 15 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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