PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20221Filter

Unitron Inc · NSN 5915-00-444-5125 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-444-5125 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-444-5125. Primary manufacturer part number: 20221.
Features
  • Filter — FSC 5915
  • 2 verified cross-references
  • Primary manufacturer: Unitron Inc
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter, cataloged under National Stock Number 5915-00-444-5125, 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 Unitron Inc. This item has 2 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.

Catalog Facts
Item NameFilter
FSC / FSG5915 — No Item Name Available (FSG 59)
ManufacturersUnitron Inc (CAGE 12175); Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (CAGE 3BC99)
Technical Specifications
ParameterValue
NSN5915-00-444-5125
Primary Part Number20221
Item NameFilter
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerUnitron Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-617515117 INTERCHANGEABLE
Ball,bearing
Natmar Services Corp
5915-00-147-77385371-446 INTERCHANGEABLE
Filter,radio Frequency Interfere
Raytheon Company Div Rmd Strategic
2910-00-148-749520221 INTERCHANGEABLE
Shaft Assembly,driv
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4920-01-006-5709 INTERCHANGEABLE
Test Kit,aerial Refueling Boom N
4820-01-184-357020221CS41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-191-829120221FS41M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6105-01-244-573920-22-1 INTERCHANGEABLE
Motor,direct Current
Electromech Technologies Llc
3120-01-348-3368202-21 INTERCHANGEABLE
Bushing,sleeve
Cornell-Carr Co., Inc.
4820-01-393-532320221F01E0020 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-499-807320-22-1 INTERCHANGEABLE
Washer,lock
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
20221 Unitron Inc (USA)
20221 Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems (USA)
Related Parts
3110-00-100-6175INTERCHANGEABLE
BALL,BEARING
15117
5915-00-147-7738INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5371-446
2910-00-148-7495INTERCHANGEABLE
SHAFT ASSEMBLY,DRIV
20221
4920-01-006-5709INTERCHANGEABLE
TEST KIT,AERIAL REFUELING BOOM N
4820-01-184-3570INTERCHANGEABLE
VALVE,SAFETY RELIEF
20221CS41M
4820-01-191-8291INTERCHANGEABLE
VALVE,SAFETY RELIEF
20221FS41M
6105-01-244-5739INTERCHANGEABLE
MOTOR,DIRECT CURRENT
20-22-1
3120-01-348-3368INTERCHANGEABLE
BUSHING,SLEEVE
202-21
4820-01-393-5323INTERCHANGEABLE
VALVE,SAFETY RELIEF
20221F01E0020
5310-01-499-8073INTERCHANGEABLE
WASHER,LOCK
20-22-1
4730-01-660-4242INTERCHANGEABLE
CLAMP KIT,HOSE
20221
1680-01-681-6922INTERCHANGEABLE
INSULATION BLANKET,CABIN,AIRCRAF
UH60-PMI2-2022

Frequently Asked Questions

What is NSN 5915-00-444-5125?

NSN 5915-00-444-5125 is a Filter, manufactured by Unitron Inc, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-444-5125?

NSN 5915-00-444-5125 has 2 cross-referenced part numbers: 20221 (Unitron Inc), 20221 (Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems).

What NSN replaces 5915-00-444-5125?

There are 12 known substitutes for 5915-00-444-5125: 3110-00-100-6175, 5915-00-147-7738, 2910-00-148-7495 and 9 more. Verify interchangeability with system specifications before substitution.

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