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NSN 4320-01-282-4160Government record, cited

Ring, Wearing4320-01-282-4160

NSN 4320-01-282-4160 · NIIN 012824160 · Part number D-0040-27-RB-11
Buffaloes Fire Pump Inc. Dba R B Pump Co · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 62503
Government record, cited
NSN 4320-01-282-4160 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-282-4160. Manufacturer of record part number: D-0040-27-RB-11.
Also searched as  4320-01-282-4160 · 4320012824160 · NIIN 012824160 · 01-282-4160 · FSC 4320 Power and Hand Pumps · CAGE 62503 · D-0040-27-RB-11
Nearby stock numbers  ·
Features
  • Ring,wearing — FSC 4320
  • Corner Shape: SQUARE ALL CORNERS
  • Body Style: PLAIN
  • Body Outside Diameter: 7.500 INCHES NOMINAL IN
  • Body Inside Diameter: 7.000 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • 1 manufacturer part number on file
  • Manufacturer of record: Buffaloes Fire Pump Inc. Dba R B Pump Co
Identification
  • NSN: 4320-01-282-4160
  • NIIN: 012824160
  • FSC: 4320 — Power and Hand Pumps
  • FSG: 43 — Pumps and Compressors
  • Primary part number: D-0040-27-RB-11
  • Manufacturer: Buffaloes Fire Pump Inc. Dba R B Pump Co
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-282-4160, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. Government technical data includes 5 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-282-4160
Primary Part NumberD-0040-27-RB-11
Item NameRing,wearing
FSC / FSG4320 / 43 — Power and Hand Pumps
ManufacturerBuffaloes Fire Pump Inc. Dba R B Pump Co
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Body StylePLAIN
Body Outside Diameter7.500 INCHES NOMINAL IN
Body Inside Diameter7.000 INCHES NOMINAL IN
MaterialNICKEL 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
D-0040-27-RB-11 PRIMARY Buffaloes Fire Pump Inc. Dba R B Pump Co (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 4320-01-282-4160?

NSN 4320-01-282-4160 is a Ring,wearing, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-282-4160?

NSN 4320-01-282-4160 has 1 manufacturer part number on file: D-0040-27-RB-11 (Buffaloes Fire Pump Inc. Dba R B Pump Co).

What are the specifications of D-0040-27-RB-11?

Key specifications for D-0040-27-RB-11: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 7.500 INCHES NOMINAL IN; Overall Length: 0.500 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-282-4160 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.
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