NSN 4320-01-050-9214 · NIIN 010509214 · Part number 654B0312D040A
Circor Naval Solutions Llc Dba Warren Pumps · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63857
Government record, cited
NSN 4320-01-050-9214 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-050-9214. Manufacturer of record part number: 654B0312D040A.
Also searched as4320-01-050-9214 ·
4320010509214 ·
NIIN 010509214 ·
01-050-9214 ·
FSC 4320 Power and Hand Pumps · CAGE 63857 · 654B0312D040A · PL999R0501 · 999R0501
Nearby stock numbers← 4320-01-050-9180 Pump Unit, Centrifugal
·
4320-01-050-9780 Channel Ring →
Features
Ring,wearing — FSC 4320
Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Corner Shape: SQUARE OUTSIDE LEFT CORNER
Corner Shape: SQUARE INSIDE LEFT CORNER
Corner Shape: CHAMFERED INSIDE RIGHT CORNER
Chamfer Length: 0.753 INCHES NOMINAL INSIDE RIGHT CORNER IN
Internal Flange Outside Diameter: 3.9950 INCHES NOMINAL IN
The Ring,wearing, cataloged under National Stock Number 4320-01-050-9214, 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. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
4320-01-050-9214
Primary Part Number
654B0312D040A
Item Name
Ring,wearing
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Circor Naval Solutions Llc Dba Warren Pumps
Status
ACTIVE
Corner Shape
SQUARE OUTSIDE RIGHT CORNER
Corner Shape
SQUARE OUTSIDE LEFT CORNER
Corner Shape
SQUARE INSIDE LEFT CORNER
Corner Shape
CHAMFERED INSIDE RIGHT CORNER
Chamfer Length
0.753 INCHES NOMINAL INSIDE RIGHT CORNER IN
Internal Flange Outside Diameter
3.9950 INCHES NOMINAL IN
Body Style
INTERNAL FLANGE
Internal Flange Lip Width
0.2812 INCHES NOMINAL IN
Body Outside Diameter
4.878 INCHES NOMINAL IN
End to Flange Distance
0.3125 INCHES NOMINAL IN
Internal Flange Inside Diameter
3.625 INCHES NOMINAL IN
Body Inside Diameter
4.3600 INCHES NOMINAL IN
Chamfer Angle
45.0 DEGREES NOMINAL INSIDE RIGHT CORNER
Material
STEEL COMP 304
Internal Flange Width
0.4687 INCHES NOMINAL IN
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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4320-01-050-9780725R0042C141APOSSIBLE MATCH
CHANNEL RING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-051-1812654B0313D040APOSSIBLE MATCH
RING,LANTERN
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-052-2734679A0007-C041APOSSIBLE MATCH
RING,WEARING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
5365-01-060-8918726A0004-D040APOSSIBLE MATCH
BUSHING,CHANNEL RING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-060-9694695D0033C141APOSSIBLE MATCH
CENTER SECTION,PUMP
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-060-9695654B0311D040APOSSIBLE MATCH
CASE RING,PUMP
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-062-8019725D0041-C141APOSSIBLE MATCH
RING,WEARING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
5365-01-062-8020726A0002-D040APOSSIBLE MATCH
BUSHING,CHANNEL RING
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
4320-01-091-4041720D0028B478APOSSIBLE MATCH
DIFFUSER,SECOND STAGE
Possible match (shared part number)Circor Naval Solutions Llc Dba Warren Pumps
NSN 4320-01-050-9214 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 4320-01-050-9214?
NSN 4320-01-050-9214 has 1 manufacturer part number on file: 654B0312D040A (Circor Naval Solutions Llc Dba Warren Pumps).
What NSN replaces 4320-01-050-9214?
11 possible matches (shared part number, not a government interchangeability claim): 4320-01-050-9780, 4320-01-051-1812, 4320-01-052-2734. Verify interchangeability with system specifications before substitution.
What are the specifications of 654B0312D040A?
Key specifications for 654B0312D040A: Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: SQUARE INSIDE LEFT CORNER; Corner Shape: CHAMFERED INSIDE RIGHT CORNER. 15 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-050-9214 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.