PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

21391Filter Element,fluid

Name: 21391
SKU: 4330-00-277-3297

Arvinmeritor Inc · NSN 4330-00-277-3297 · FSC 4330 · No Item Name Available

Verified by PartsTable

NSN 4330-00-277-3297 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-277-3297. Primary manufacturer part number: 21391.

4330-00-277-3297 — No Item Name Available illustration

Features

Filter Element,fluid — FSC 4330
Material: COPPER ALLOY FILTERING MEDIUM
Thread Series Designator: UNF
Design Type: REUSABLE
Flow Direction: OUTSIDE IN
Body Overall Length: 6.625 INCHES NOMINAL IN
Nominal Thread Size: 0.750 INCHES IN
Style Designator: CYLINDRICAL W/INTEGRAL OUTER CASING

Applications

Fluid filtration and purification
Engine intake air cleaning
Hydraulic system protection
Applications requiring Copper Alloy Filtering Medium construction

General Description

The Filter Element,fluid, cataloged under National Stock Number 4330-00-277-3297, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Arvinmeritor Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications

Parameter	Value
NSN	4330-00-277-3297
Primary Part Number	21391
Item Name	Filter Element,fluid
FSC / FSG	4330 / 43 — No Item Name Available
Manufacturer	Arvinmeritor Inc
Status	CANCELLED
Material	COPPER ALLOY FILTERING MEDIUM
Thread Series Designator	UNF
Design Type	REUSABLE
Flow Direction	OUTSIDE IN
Body Overall Length	6.625 INCHES NOMINAL IN
Nominal Thread Size	0.750 INCHES IN
Style Designator	CYLINDRICAL W/INTEGRAL OUTER CASING
Media for Which Designed	ANY ACCEPTABLE
Filtering Media Design	SPIRAL WOUND SINGLE FILTERING MEDIA RESPONSE
Body Diameter	3.125 INCHES NOMINAL IN

Lifecycle & Compliance

Acquisition Status	CANCELLED
HAZMAT	No

⇄ Verified Substitutes 12

3110-00-156-4592102668-2 INTERCHANGEABLE

Bearing,ball,annular

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

5915-00-412-4384402793-001 INTERCHANGEABLE

Filter,band Pass

Tegam, Inc.

5340-00-422-591222856 INTERCHANGEABLE

Locking Plate,nut and Bolt

Briggs and Stratton Corp

3020-00-496-4650 INTERCHANGEABLE

Gear,spur

5999-00-499-627621-391 INTERCHANGEABLE

Contact,electrical

Eaton Corp Opns & Technical Center

5970-00-616-63352-139-1 INTERCHANGEABLE

Insulator,plate

Precision Aerospace Corporation Dba Precision Engine Control

5930-00-844-847021391 INTERCHANGEABLE

Switch,thermostatic

Sensata Technologies, Inc. Div Sensata Attleboro

5330-00-914-4645225856 INTERCHANGEABLE

Seal,plain Encased

Dana Off Highway Products, Llc

4130-01-263-067522855 INTERCHANGEABLE

Agitator,icemaker-Dispenser

Imi Cornelius Inc.

4240-01-340-793621391 INTERCHANGEABLE

Strap,safety,industrial

Buckingham Mfg Co Inc

Cross-Reference Index

Part Number	Manufacturer
22856	Jedco, Inc Div Na (USA)
21391 PRIMARY	Arvinmeritor Inc (USA)
74626C	Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
74626C	Komatsu American Intl Co (USA)
74626C	Hercules Engine Co Inc (USA)
22855	Arvinmeritor Inc (USA)

Related Parts

3110-00-156-4592INTERCHANGEABLE

BEARING,BALL,ANNULAR

102668-2

5915-00-412-4384INTERCHANGEABLE

FILTER,BAND PASS

402793-001

5340-00-422-5912INTERCHANGEABLE

LOCKING PLATE,NUT AND BOLT

22856

3020-00-496-4650INTERCHANGEABLE

GEAR,SPUR

5999-00-499-6276INTERCHANGEABLE

CONTACT,ELECTRICAL

21-391

5970-00-616-6335INTERCHANGEABLE

INSULATOR,PLATE

2-139-1

5930-00-844-8470INTERCHANGEABLE

SWITCH,THERMOSTATIC

21391

5330-00-914-4645INTERCHANGEABLE

SEAL,PLAIN ENCASED

225856

4130-01-263-0675INTERCHANGEABLE

AGITATOR,ICEMAKER-DISPENSER

22855

4240-01-340-7936INTERCHANGEABLE

STRAP,SAFETY,INDUSTRIAL

21391

4820-01-424-1202INTERCHANGEABLE

VALVE,LINEAR,DIRECTIONAL CONTROL

21391-001

5975-01-632-0556INTERCHANGEABLE

SOCKET AND CAP ASSE

Frequently Asked Questions

What is NSN 4330-00-277-3297?

NSN 4330-00-277-3297 is a Filter Element,fluid, manufactured by Arvinmeritor Inc, classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-00-277-3297?

NSN 4330-00-277-3297 has 6 cross-referenced part numbers: 22856 (Jedco, Inc Div Na), 21391 (Arvinmeritor Inc), 74626C (Brinkley Technology Group Llc Dba Hercules Manufacturing), 74626C (Komatsu American Intl Co), 74626C (Hercules Engine Co Inc) and 1 more.

What NSN replaces 4330-00-277-3297?

There are 12 known substitutes for 4330-00-277-3297: 3110-00-156-4592, 5915-00-412-4384, 5340-00-422-5912 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21391?

Key specifications for 21391: Material: COPPER ALLOY FILTERING MEDIUM; Thread Series Designator: UNF; Design Type: REUSABLE; Flow Direction: OUTSIDE IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-00-277-3297 still in active supply?

NSN 4330-00-277-3297 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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

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