NSN 4320-01-420-7985 · NIIN 014207985 · Part number AONI-2588X5M
M.t. Davidson Company · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 16062
Government record, cited
NSN 4320-01-420-7985 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-420-7985. Manufacturer of record part number: AONI-2588X5M.
Also searched as4320-01-420-7985 ·
4320014207985 ·
NIIN 014207985 ·
01-420-7985 ·
FSC 4320 Power and Hand Pumps · CAGE 16062 · AONI-2588X5M · GCP-C-888 · GCP-C-888-41 · GCP-C-888 PIECE 41
The Ring,wearing, cataloged under National Stock Number 4320-01-420-7985, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
Ring,wearing
FSC / FSG
4320 — Power and Hand Pumps (FSG 43)
Manufacturers
M.t. Davidson Company (CAGE 16062)
Technical Specifications
Parameter
Value
NSN
4320-01-420-7985
Primary Part Number
AONI-2588X5M
Item Name
Ring,wearing
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
M.t. Davidson Company
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-421-0014GCP-C-887POSSIBLE MATCH
PUMP,CENTRIFUGAL
Possible match (shared part number)M.t. Davidson Company
4320-01-421-1667A0NAI-1565 AMX2-9IN.POSSIBLE MATCH
IMPELLER,PUMP,CENTRIFUGAL
Possible match (shared part number)M.t. Davidson Company
4730-01-448-9842GCP-C-888 PC.NO.20POSSIBLE MATCH
PLUG,PIPE
Possible match (shared part number)M.t. Davidson Company
4730-01-448-9943GCP-C-888 PC.NO.34POSSIBLE MATCH
PLUG,PIPE
Possible match (shared part number)M.t. Davidson Company
4820-01-449-0203GCP-C-888-21POSSIBLE MATCH
COCK,DRAIN
Possible match (shared part number)M.t. Davidson Company
NSN 4320-01-420-7985 is a Ring,wearing, manufactured by M.t. Davidson Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-420-7985?
NSN 4320-01-420-7985 has 2 manufacturer part numbers on file: AONI-2588X5M (M.t. Davidson Company), GCP-C-888 PIECE 41 (M.t. Davidson Company).
What NSN replaces 4320-01-420-7985?
5 possible matches (shared part number, not a government interchangeability claim): 4320-01-421-0014, 4320-01-421-1667, 4730-01-448-9842. Verify interchangeability with system specifications before substitution.
Is NSN 4320-01-420-7985 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.