PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A566-68Cap,special

L3 Technologies, Inc. Div L3 Keo · NSN 2040-00-896-6651 · FSC 2040 · No Item Name Available
Verified by PartsTable
NSN 2040-00-896-6651 — this item is cataloged by the U.S. Government under National Stock Number 2040-00-896-6651. Primary manufacturer part number: A566-68.
Features
  • Cap,special — FSC 2040
  • General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-325 T6; BLACK ENAMEL FINISH; 1.000 IN. SHOULDER DIA; 0.062 IN. LENGTH UNDER SHOULDER; 0.250 IN. OVERALL HT; 0.2660 IN. HOLE CSK TO 0.515 IN. DIA IN
  • 7 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div L3 Keo
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,special, cataloged under National Stock Number 2040-00-896-6651, is classified within Federal Supply Class 2040 (No Item Name Available) of the Ship and Marine Equipment group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2040-00-896-6651
Primary Part NumberA566-68
Item NameCap,special
FSC / FSG2040 / 20 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,QQ-A-325 T6; BLACK ENAMEL FINISH; 1.000 IN. SHOULDER DIA; 0.062 IN. LENGTH UNDER SHOULDER; 0.250 IN. OVERALL HT; 0.2660 IN. HOLE CSK TO 0.515 IN. DIA IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-01-314-4433QL1400015 INTERCHANGEABLE
Gear,spur
Ilford Photo Corp
2805-01-480-3582004704 INTERCHANGEABLE
Camshaft,engine
Bauer Compressors, Inc.
4320-01-651-1951004704 INTERCHANGEABLE
Arm and Seal Assembly
Zoeller Company Dba Zoeller Pump Company
Cross-Reference Index
Part NumberManufacturer
566A004704 Northrop Grumman Systems Corporation (USA)
A566-68 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
A-566.68 L3 Technologies, Inc. Div L3 Keo (USA)
566A004704 L3 Technologies, Inc. Div L3 Keo (USA)
A566-68 Chatham Precision Inc (USA)
004704 Chatham Precision Inc (USA)
004704 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
3020-01-314-4433INTERCHANGEABLE
GEAR,SPUR
QL1400015
2805-01-480-3582INTERCHANGEABLE
CAMSHAFT,ENGINE
004704
4320-01-651-1951INTERCHANGEABLE
ARM AND SEAL ASSEMBLY
004704

Frequently Asked Questions

What is NSN 2040-00-896-6651?

NSN 2040-00-896-6651 is a Cap,special, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 2040 (No Item Name Available). Status: active.

What are the part numbers for NSN 2040-00-896-6651?

NSN 2040-00-896-6651 has 7 cross-referenced part numbers: 566A004704 (Northrop Grumman Systems Corporation), A566-68 (L3 Technologies, Inc. Div L3 Keo), A-566.68 (L3 Technologies, Inc. Div L3 Keo), 566A004704 (L3 Technologies, Inc. Div L3 Keo), A566-68 (Chatham Precision Inc) and 2 more.

What NSN replaces 2040-00-896-6651?

There are 3 known substitutes for 2040-00-896-6651: 3020-01-314-4433, 2805-01-480-3582, 4320-01-651-1951. Verify interchangeability with system specifications before substitution.

What are the specifications of A566-68?

Key specifications for A566-68: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-325 T6; BLACK ENAMEL FINISH; 1.000 IN. SHOULDER DIA; 0.062 IN. LENGTH UNDER SHOULDER; 0.250 IN. OVERALL HT; 0.2660 IN. HOLE CSK TO 0.515 IN. DIA IN. 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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