PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20951 PIECE 8Ring,lantern

Skf Usa Inc. · NSN 4320-01-221-1564 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-221-1564 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-221-1564. Primary manufacturer part number: 20951 PIECE 8.
Features
  • Ring,lantern — FSC 4320
  • 6 verified cross-references
  • Primary manufacturer: Skf Usa Inc.
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,lantern, cataloged under National Stock Number 4320-01-221-1564, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Skf Usa Inc.. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-221-1564
Primary Part Number20951 PIECE 8
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2940-00-076-2597136500 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
3110-00-100-7330170739A INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
5950-00-408-1628C504020167 INTERCHANGEABLE
Reactor
Kearfott Corporation Div Guidance and Navigation Division
2530-00-521-4981F967 INTERCHANGEABLE
Boot,vehicular Components
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5940-00-577-3950RA881F INTERCHANGEABLE
Terminal,lug
Abb Installation Products Inc
2920-01-117-325120951 INTERCHANGEABLE
Lead,ignition,engine
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5930-01-253-151520951 INTERCHANGEABLE
Switch,pressure
Alter Harry Co the Div of T E C
2990-01-266-125020951 INTERCHANGEABLE
Arrester,spark Exhaust
Mark Industries
5330-01-267-1174209518 INTERCHANGEABLE
Seal,plain
Brp Us Inc
5365-01-355-6765 INTERCHANGEABLE
Spacer,sleeve
Cross-Reference Index
Part NumberManufacturer
20951-8 Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
20951 PIECE 8 Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
20960 Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
20951 PIECE 8 PRIMARY Skf Usa Inc. (USA)
20951 Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery (GBR)
20960 Tufline Div of Xomox Corp (USA)
Related Parts
2940-00-076-2597INTERCHANGEABLE
FILTER ELEMENT,FLUID
136500
3110-00-100-7330INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
170739A
5950-00-408-1628INTERCHANGEABLE
REACTOR
C504020167
2530-00-521-4981INTERCHANGEABLE
BOOT,VEHICULAR COMPONENTS
F967
5940-00-577-3950INTERCHANGEABLE
TERMINAL,LUG
RA881F
2920-01-117-3251INTERCHANGEABLE
LEAD,IGNITION,ENGINE
20951
5930-01-253-1515INTERCHANGEABLE
SWITCH,PRESSURE
20951
2990-01-266-1250INTERCHANGEABLE
ARRESTER,SPARK EXHAUST
20951
5330-01-267-1174INTERCHANGEABLE
SEAL,PLAIN
209518
5365-01-355-6765INTERCHANGEABLE
SPACER,SLEEVE
1680-01-483-9008INTERCHANGEABLE
STOP-SPOOL
20960
4730-01-517-1407INTERCHANGEABLE
ELBOW,HOSE
C20951

Frequently Asked Questions

What is NSN 4320-01-221-1564?

NSN 4320-01-221-1564 is a Ring,lantern, manufactured by Skf Usa Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-221-1564?

NSN 4320-01-221-1564 has 6 cross-referenced part numbers: 20951-8 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery), 20951 PIECE 8 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery), 20960 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery), 20951 PIECE 8 (Skf Usa Inc.), 20951 (Kongsberg Maritime Ltd Div Ras/fas & Naval Deck Machinery) and 1 more.

What NSN replaces 4320-01-221-1564?

There are 12 known substitutes for 4320-01-221-1564: 2940-00-076-2597, 3110-00-100-7330, 5950-00-408-1628 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20951 PIECE 8?

Key specifications for 20951 PIECE 8: End Item Identification: DONKIN E CO LTD MODEL 20951 ROTARY PUMP. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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