PartsTable TECHNICAL DATA SHEET
NSN 4320-01-565-4712Government record, cited

Ring, Wearing4320-01-565-4712

NSN 4320-01-565-4712 · NIIN 015654712 · Part number BW8100541
Ampco Pumps Company Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0TWN3
Government record, cited
NSN 4320-01-565-4712 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-565-4712. Manufacturer of record part number: BW8100541.
Also searched as  4320-01-565-4712 · 4320015654712 · NIIN 015654712 · 01-565-4712 · FSC 4320 Power and Hand Pumps · CAGE 0TWN3 · BW8100541
Nearby stock numbers  ·
Features
  • Ring,wearing — FSC 4320
  • Material: COPPER ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Ampco Pumps Company Llc
Identification
  • NSN: 4320-01-565-4712
  • NIIN: 015654712
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: BW8100541
  • Manufacturer: Ampco Pumps Company Llc
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-565-4712, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Ampco Pumps Company Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-565-4712
Primary Part NumberBW8100541
Item NameRing,wearing
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerAmpco Pumps Company Llc
StatusACTIVE
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
BW8100541 PRIMARY Ampco Pumps Company Llc (USA)
No interchangeability data on file.
Other items in FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633
4320-00-001-1633 · Item name not on file
4320-00-001-2628
RETAINER AND PIN
4320-00-001-2629
HOUSING AND PIN
4320-00-001-2630
PUMP,CENTRIFUGAL
4320-00-001-2631
4320-00-001-2631 · Item name not on file
4320-00-001-2632
4320-00-001-2632 · Item name not on file
4320-00-001-3377
4320-00-001-3377 · Item name not on file
4320-00-001-3384
4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-565-4712?

NSN 4320-01-565-4712 is a Ring,wearing, manufactured by Ampco Pumps Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-565-4712?

NSN 4320-01-565-4712 has 1 manufacturer part number on file: BW8100541 (Ampco Pumps Company Llc).

What are the specifications of BW8100541?

Key specifications for BW8100541: End Item Identification: CENTRIFUGAL PUMP, 334 GPM; Material: COPPER ALLOY. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-565-4712 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.
PartsTable Design LLC · partstable.com