PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1608-3Cap,filler Opening

Snyder Tank Corp · NSN 2590-01-294-1779 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-294-1779 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-294-1779. Primary manufacturer part number: 1608-3.
Features
  • Cap,filler Opening — FSC 2590
  • Outside Diameter: 2.000 INCHES NOMINAL IN
  • Accommodation Type: LOBES END GRIPPING
  • Style Designator: VENTED THREADED TYPE (INTERNAL)
  • Material: COPPER ALLOY BODY
  • System for Which Designed: NONPRESSURIZED
  • Retaining Device Type: CHAIN
  • 3 verified cross-references
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-294-1779, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Snyder Tank Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-294-1779
Primary Part Number1608-3
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerSnyder Tank Corp
StatusACTIVE
Outside Diameter2.000 INCHES NOMINAL IN
Accommodation TypeLOBES END GRIPPING
Style DesignatorVENTED THREADED TYPE (INTERNAL)
MaterialCOPPER ALLOY BODY
System for Which DesignedNONPRESSURIZED
Retaining Device TypeCHAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1650-00-077-886816083 INTERCHANGEABLE
Plug,manifold
Mid-America Aerotech, Llc
6625-00-131-2312B4826 INTERCHANGEABLE
Sweep Generator Subassembly
Lau Technologies Div N/a
5977-00-237-161516083 INTERCHANGEABLE
Brush,electrical Contact
General Motors Llc Dba General Motors Llc
6105-00-523-986811G4G/1602 INTERCHANGEABLE
Motor-Tachometer Generator
General Dynamics Motion Control Llc
5950-00-947-3000667-0121-000 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5120-01-422-0085601D3 INTERCHANGEABLE
Tool,installation
Howmet Global Fastening Systems Inc Div Rosan Products
5360-01-422-2143 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
1608-3 Snyder Mfg Co (USA)
1608-3 PRIMARY Snyder Tank Corp (USA)
B4826 Cleveland Trencher Co Inc (USA)
Related Parts
1650-00-077-8868INTERCHANGEABLE
PLUG,MANIFOLD
16083
6625-00-131-2312INTERCHANGEABLE
SWEEP GENERATOR SUBASSEMBLY
B4826
5977-00-237-1615INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
16083
6105-00-523-9868INTERCHANGEABLE
MOTOR-TACHOMETER GENERATOR
11G4G/1602
5950-00-947-3000INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
667-0121-000
5120-01-422-0085INTERCHANGEABLE
TOOL,INSTALLATION
601D3
5360-01-422-2143INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 2590-01-294-1779?

NSN 2590-01-294-1779 is a Cap,filler Opening, manufactured by Snyder Tank Corp, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-294-1779?

NSN 2590-01-294-1779 has 3 cross-referenced part numbers: 1608-3 (Snyder Mfg Co), 1608-3 (Snyder Tank Corp), B4826 (Cleveland Trencher Co Inc).

What NSN replaces 2590-01-294-1779?

There are 7 known substitutes for 2590-01-294-1779: 1650-00-077-8868, 6625-00-131-2312, 5977-00-237-1615 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1608-3?

Key specifications for 1608-3: Outside Diameter: 2.000 INCHES NOMINAL IN; Accommodation Type: LOBES END GRIPPING; Style Designator: VENTED THREADED TYPE (INTERNAL); Material: COPPER ALLOY BODY. 6 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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