NSN 4320-00-652-8963 · NIIN 006528963 · Part number M7
Circor Naval Solutions Llc Dba Warren Pumps · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63857
Government record, cited
NSN 4320-00-652-8963 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-652-8963. Manufacturer of record part number: M7.
Also searched as4320-00-652-8963 ·
4320006528963 ·
NIIN 006528963 ·
00-652-8963 ·
FSC 4320 Power and Hand Pumps · CAGE 63857 · M7 · R311PC3 · R605PC3 · R310PC3
The Ring,wearing, cataloged under National Stock Number 4320-00-652-8963, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4320-00-652-8963
Primary Part Number
M7
Item Name
Ring,wearing
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Circor Naval Solutions Llc Dba Warren Pumps
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6650-00-670-2500POSSIBLE MATCH
BINOCULAR
Possible match (shared part number)
2330-00-835-8166POSSIBLE MATCH
TRAILER,CARGO
Possible match (shared part number)
6540-00-926-1432M7POSSIBLE MATCH
CABINET,OPHTHALMIC
Possible match (shared part number)American Optical Co
6650-01-062-3611M-7POSSIBLE MATCH
MAGNIFIER
Possible match (shared part number)Electro-Optix, Inc. Dba Electro Optix Inc Div Electro-Optix Inc/magnifier.com
6650-01-065-27961002POSSIBLE MATCH
MAGNIFIER
Possible match (shared part number)Manning Holoff Co Inc
5306-01-121-3318M-7POSSIBLE MATCH
BOLT,EYE
Possible match (shared part number)Sanstorm Inc
4730-01-231-96925346K14POSSIBLE MATCH
ADAPTER,STRAIGHT,PIPE TO HOSE
Possible match (shared part number)Mpc Products Corporation Dba Woodward Mpc, Inc.
NSN 4320-00-652-8963 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-00-652-8963?
NSN 4320-00-652-8963 has 1 manufacturer part number on file: M7 (Circor Naval Solutions Llc Dba Warren Pumps).
What NSN replaces 4320-00-652-8963?
7 possible matches (shared part number, not a government interchangeability claim): 6650-00-670-2500, 2330-00-835-8166, 6540-00-926-1432. Verify interchangeability with system specifications before substitution.
What are the specifications of M7?
Key specifications for M7: End Item Identification: PUMP. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4320-00-652-8963 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.