NSN 5331-01-722-5020 · NIIN 017225020 · Part number 032-11375-000
Aqua-Chem, Inc. Dba Aqua-Chem Inc · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 0EXU3
Government record, cited
NSN 5331-01-722-5020 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-722-5020. Manufacturer of record part number: 032-11375-000.
Manufacturer of record: Aqua-Chem, Inc. Dba Aqua-Chem Inc
Identification
NSN: 5331-01-722-5020
NIIN: 017225020
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 032-11375-000
Manufacturer: Aqua-Chem, Inc. Dba Aqua-Chem Inc
General Description
The O-Ring, cataloged under National Stock Number 5331-01-722-5020, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Aqua-Chem, Inc. Dba Aqua-Chem Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
O-Ring
FSC / FSG
5331 — O-ring (FSG 53)
Manufacturers
Aqua-Chem, Inc. Dba Aqua-Chem Inc (CAGE 0EXU3)
Technical Specifications
Parameter
Value
NSN
5331-01-722-5020
Primary Part Number
032-11375-000
Item Name
O-Ring
FSC / FSG
5331 / 53 — O-ring
Manufacturer
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Status
ACTIVE
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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6160-01-722-5604162-09816-000POSSIBLE MATCH
BATTERY BOX
Possible match (shared part number)Aqua-Chem, Inc. Dba Aqua-Chem Inc
3040-01-722-5635007-08393-000POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Aqua-Chem, Inc. Dba Aqua-Chem Inc
4420-01-722-5674534-09922-000POSSIBLE MATCH
CORE ASSEMBLY,FLUID HEATER,INDUS
Possible match (shared part number)Aqua-Chem, Inc. Dba Aqua-Chem Inc
5331-01-722-5712032-11374-000POSSIBLE MATCH
O-RING
Possible match (shared part number)Aqua-Chem, Inc. Dba Aqua-Chem Inc
C/1Advisory reference — outside the item-of-supply concept
Aqua-Chem, Inc. Dba Aqua-Chem Inc
700-08058-000
D/9Drawing number reference only
Aqua-Chem, Inc. Dba Aqua-Chem Inc
Related Parts
6160-01-722-5604POSSIBLE MATCH
BATTERY BOX
162-09816-000
3040-01-722-5635POSSIBLE MATCH
SHAFT,SHOULDERED
007-08393-000
4420-01-722-5674POSSIBLE MATCH
CORE ASSEMBLY,FLUID HEATER,INDUS
534-09922-000
5331-01-722-5712POSSIBLE MATCH
O-RING
032-11374-000
Frequently Asked Questions
What is NSN 5331-01-722-5020?
NSN 5331-01-722-5020 is a O-Ring, manufactured by Aqua-Chem, Inc. Dba Aqua-Chem Inc, classified under FSC 5331, O-ring. Status: active.
What part numbers are listed for NSN 5331-01-722-5020?
NSN 5331-01-722-5020 has 1 manufacturer part number on file: 032-11375-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc).
What NSN replaces 5331-01-722-5020?
4 possible matches (shared part number, not a government interchangeability claim): 6160-01-722-5604, 3040-01-722-5635, 4420-01-722-5674. Verify interchangeability with system specifications before substitution.
Is NSN 5331-01-722-5020 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.