NSN 4330-01-435-2573 · NIIN 014352573 · Part number BB100-C
Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc · FSC 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters · FSG 43 — Pumps and Compressors · CAGE 42905
Government record, cited
NSN 4330-01-435-2573 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-435-2573. Manufacturer of record part number: BB100-C.
Also searched as4330-01-435-2573 ·
4330014352573 ·
NIIN 014352573 ·
01-435-2573 ·
FSC 4330 Centrifugals, Separators, and Pressure and Vacuum Filters · CAGE 42905 · BB100-C · BB100NNS26 · BB100NNS26ITEM5
Manufacturer of record: Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
Identification
NSN: 4330-01-435-2573
NIIN: 014352573
FSC: 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters
FSG: 43 — Pumps and Compressors
Primary part number: BB100-C
Manufacturer: Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
General Description
The Filter Element,fluid, cataloged under National Stock Number 4330-01-435-2573, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4330-01-435-2573
Primary Part Number
BB100-C
Item Name
Filter Element,fluid
FSC / FSG
4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters
Manufacturer
Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
Status
ACTIVE
Body Diameter
3.000 INCHES NOMINAL IN
Body Overall Length
5.000 INCHES NOMINAL IN
Flow Direction
INSIDE OUT
Design Type
NONREUSABLE
Style Designator
CYLINDRICAL W/OUT CONTAINER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4330-01-435-2584BB100-DPOSSIBLE MATCH
FILTER ELEMENT,FLUID
Possible match (shared part number)Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
4540-01-437-4226BB100NNS26POSSIBLE MATCH
POSITIVE PRESSURE UNIT
Possible match (shared part number)Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
6680-01-457-9002WL056POSSIBLE MATCH
INDICATOR FILTER
Possible match (shared part number)Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
4820-01-458-0400WL024POSSIBLE MATCH
AUTO-DRAIN
Possible match (shared part number)Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
4940-01-463-8561POSSIBLE MATCH
PRESSURIZING UNIT,SHIPPING AND S
Possible match (shared part number)
4330-01-464-2056WL020BFPOSSIBLE MATCH
FILTER ASSEMBLY,FLUID
Possible match (shared part number)Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc (USA)
Reference documents
Reference
Meaning
BB100NNS26
5/1Secondary reference
Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc
Related Parts
4330-01-435-2584POSSIBLE MATCH
FILTER ELEMENT,FLUID
BB100-D
4540-01-437-4226POSSIBLE MATCH
POSITIVE PRESSURE UNIT
BB100NNS26
6680-01-457-9002POSSIBLE MATCH
INDICATOR FILTER
WL056
4820-01-458-0400POSSIBLE MATCH
AUTO-DRAIN
WL024
4940-01-463-8561POSSIBLE MATCH
PRESSURIZING UNIT,SHIPPING AND S
4330-01-464-2056POSSIBLE MATCH
FILTER ASSEMBLY,FLUID
WL020BF
Frequently Asked Questions
What is NSN 4330-01-435-2573?
NSN 4330-01-435-2573 is a Filter Element,fluid, manufactured by Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
What part numbers are listed for NSN 4330-01-435-2573?
NSN 4330-01-435-2573 has 2 manufacturer part numbers on file: BB100-C (Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc), BB100NNS26ITEM5 (Air Systems International, Inc. (used in VA by: Air Systems, Inc.) Dba Air Systems International Inc).
What NSN replaces 4330-01-435-2573?
6 possible matches (shared part number, not a government interchangeability claim): 4330-01-435-2584, 4540-01-437-4226, 6680-01-457-9002. Verify interchangeability with system specifications before substitution.
What are the specifications of BB100-C?
Key specifications for BB100-C: Body Diameter: 3.000 INCHES NOMINAL IN; Body Overall Length: 5.000 INCHES NOMINAL IN; Flow Direction: INSIDE OUT; Design Type: NONREUSABLE. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4330-01-435-2573 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.