PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1R-0777Filter Element,fluid

Caterpillar Inc Div Caterpillar Defense · NSN 2940-01-568-0971 · FSC 2940 · No Item Name Available
Verified by PartsTable
NSN 2940-01-568-0971 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-568-0971. Primary manufacturer part number: 1R-0777.
Features
  • Filter Element,fluid — FSC 2940
  • 4 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter Element,fluid, cataloged under National Stock Number 2940-01-568-0971, is classified within Federal Supply Class 2940 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2940-01-568-0971
Primary Part Number1R-0777
Item NameFilter Element,fluid
FSC / FSG2940 / 29 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-015-1313 INTERCHANGEABLE
Blade,socket Head Screw Key
6210-00-067-8377 INTERCHANGEABLE
Housing,light
3110-00-156-1858 INTERCHANGEABLE
Bearing,ball,thrust
6532-01-088-412851204 INTERCHANGEABLE
Diaper,adult's
The Procter & Gamble Distributing Llc
8345-01-191-8700 INTERCHANGEABLE
Flag,identification
8345-01-192-2490 INTERCHANGEABLE
Flag,individual
5340-01-413-3714 INTERCHANGEABLE
Cover,access
5950-01-468-74205-1204 INTERCHANGEABLE
Transformer,power Autotransforme
Superior Electric Holding Group Llc Div Specialty Product Technologies
Cross-Reference Index
Part NumberManufacturer
51204 Wix Corp (USA)
1R-0777 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
1R-0777 Finning (uk) Ltd (GBR)
CV132275 Finning (uk) Ltd (GBR)
Related Parts
5120-00-015-1313INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
6210-00-067-8377INTERCHANGEABLE
HOUSING,LIGHT
3110-00-156-1858INTERCHANGEABLE
BEARING,BALL,THRUST
6532-01-088-4128INTERCHANGEABLE
DIAPER,ADULT'S
51204
8345-01-191-8700INTERCHANGEABLE
FLAG,IDENTIFICATION
8345-01-192-2490INTERCHANGEABLE
FLAG,INDIVIDUAL
5340-01-413-3714INTERCHANGEABLE
COVER,ACCESS
5950-01-468-7420INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
5-1204

Frequently Asked Questions

What is NSN 2940-01-568-0971?

NSN 2940-01-568-0971 is a Filter Element,fluid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940 (No Item Name Available). Status: active.

What are the part numbers for NSN 2940-01-568-0971?

NSN 2940-01-568-0971 has 4 cross-referenced part numbers: 51204 (Wix Corp), 1R-0777 (Caterpillar Inc Div Caterpillar Defense), 1R-0777 (Finning (uk) Ltd), CV132275 (Finning (uk) Ltd).

What NSN replaces 2940-01-568-0971?

There are 8 known substitutes for 2940-01-568-0971: 5120-00-015-1313, 6210-00-067-8377, 3110-00-156-1858 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1R-0777?

Key specifications for 1R-0777: End Item Identification: MEDIUM CRAWLER TRACTOR; Part Name Assigned by Controlling Agency: ELEMENT ASSY. 2 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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