PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PT-727-HDFilter Element,fluid

Baldwin Filters · NSN 4330-00-307-8387 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-307-8387 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-307-8387. Primary manufacturer part number: PT-727-HD.
Features
  • Filter Element,fluid — FSC 4330
  • Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE
  • Flow Direction: OUTSIDE IN
  • Differential Pressure: ERR-060
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Filtration Rating in Microns: 25.0 NOMINAL
  • Drop Pressure: ERR-060
  • Design Type: NONREUSABLE
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
  • Applications requiring Steel Corrosion Resisting Container/cartridge construction
General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-307-8387, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Baldwin Filters. 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
NSN4330-00-307-8387
Primary Part NumberPT-727-HD
Item NameFilter Element,fluid
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerBaldwin Filters
StatusACTIVE
Filtering Media DesignPLEATED SINGLE FILTERING MEDIA RESPONSE
Flow DirectionOUTSIDE IN
Differential PressureERR-060
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Filtration Rating in Microns25.0 NOMINAL
Drop PressureERR-060
Design TypeNONREUSABLE
Body Overall Length4.875 INCHES NOMINAL IN
Media for Which DesignedFUEL/OIL, HYDROCARBON
MaterialSTEEL CORROSION RESISTING CONTAINER/CARTRIDGE
MaterialCELLULOSE AND RESIN NATURAL FILTERING MEDIUM
Style DesignatorCYLINDRICAL W/ CONTAINER (RIGID)
Body Diameter3.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6920-00-063-5932A25 INTERCHANGEABLE
Target,bull's-Eye
National Target Company, Inc.
5905-00-100-429012Z13110-8017 INTERCHANGEABLE
Resistor,fixed,wire Wound
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3030-00-160-8284A25 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5120-00-189-7915 INTERCHANGEABLE
Socket,socket Wrench
5310-00-202-1386A25 INTERCHANGEABLE
Washer,flat
Hobart Bros Co
4460-00-254-216960-512 INTERCHANGEABLE
Collector,dust
Associated Equipment Corporation Dba Associated Equipment Corp
5360-00-290-8917A25 INTERCHANGEABLE
Spring,helical,compression
Ashcroft Inc Dba Heise
5325-00-527-3706A25 INTERCHANGEABLE
Eyelet,metallic
Edwin B. Stimpson Company, Inc. Dba Stimpson
5950-00-648-2699A25 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
5930-00-907-8687A2-5 INTERCHANGEABLE
Adapter,switch Actuator
Safran Power Usa, Llc
Cross-Reference Index
Part NumberManufacturer
1003503-2P7 Tld Ace Corp Div Tld Ace (USA)
PT-727-HD PRIMARY Baldwin Filters (USA)
A25 PRIMARY Schroeder Industries Llc (USA)
Related Parts
6920-00-063-5932INTERCHANGEABLE
TARGET,BULL'S-EYE
A25
5905-00-100-4290INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
12Z13110-8017
3030-00-160-8284INTERCHANGEABLE
BELT,V
A25
5120-00-189-7915INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5310-00-202-1386INTERCHANGEABLE
WASHER,FLAT
A25
4460-00-254-2169INTERCHANGEABLE
COLLECTOR,DUST
60-512
5360-00-290-8917INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
A25
5325-00-527-3706INTERCHANGEABLE
EYELET,METALLIC
A25
5950-00-648-2699INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A25
5930-00-907-8687INTERCHANGEABLE
ADAPTER,SWITCH ACTUATOR
A2-5
6625-01-007-1916INTERCHANGEABLE
RECORDER,COORDINATE DATA
00-009145-01
5120-01-031-6731INTERCHANGEABLE
LOCATOR,CRIMPING TO
A25

Frequently Asked Questions

What is NSN 4330-00-307-8387?

NSN 4330-00-307-8387 is a Filter Element,fluid, manufactured by Baldwin Filters, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-00-307-8387?

NSN 4330-00-307-8387 has 3 cross-referenced part numbers: 1003503-2P7 (Tld Ace Corp Div Tld Ace), PT-727-HD (Baldwin Filters), A25 (Schroeder Industries Llc).

What NSN replaces 4330-00-307-8387?

There are 12 known substitutes for 4330-00-307-8387: 6920-00-063-5932, 5905-00-100-4290, 3030-00-160-8284 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of PT-727-HD?

Key specifications for PT-727-HD: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Flow Direction: OUTSIDE IN; Differential Pressure: ERR-060; Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF. 13 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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