PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-5946Cap,filler Opening

Peak Industrial Inc · NSN 2590-01-482-7998 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-482-7998 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-482-7998. Primary manufacturer part number: 11-5946.
Features
  • Cap,filler Opening — FSC 2590
  • Retaining Device Type: LANYARD
  • Material: COPPER ALLOY OVERALL
  • System for Which Designed: NONPRESSURIZED
  • Filler Neck Diameter for Which Designed: 2.250 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Peak Industrial Inc
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-482-7998, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Peak Industrial Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-482-7998
Primary Part Number11-5946
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerPeak Industrial Inc
StatusACTIVE
Retaining Device TypeLANYARD
MaterialCOPPER ALLOY OVERALL
System for Which DesignedNONPRESSURIZED
Filler Neck Diameter for Which Designed2.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-159-8882 INTERCHANGEABLE
Blade,nutdriver
2810-00-306-5774115946 INTERCHANGEABLE
Button,thrust
Curtiss-Wright Controls, Inc. Div Actuation Division
5305-01-382-6759 INTERCHANGEABLE
Screw,externally Relieved Body
4320-01-660-2814115946 INTERCHANGEABLE
Parts Kit,liquid Dispensing Pump
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
11-5946 PRIMARY Peak Industrial Inc (USA)
Related Parts
5120-00-159-8882INTERCHANGEABLE
BLADE,NUTDRIVER
2810-00-306-5774INTERCHANGEABLE
BUTTON,THRUST
115946
5305-01-382-6759INTERCHANGEABLE
SCREW,EXTERNALLY RELIEVED BODY
4320-01-660-2814INTERCHANGEABLE
PARTS KIT,LIQUID DISPENSING PUMP
115946

Frequently Asked Questions

What is NSN 2590-01-482-7998?

NSN 2590-01-482-7998 is a Cap,filler Opening, manufactured by Peak Industrial Inc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-482-7998?

NSN 2590-01-482-7998 has 1 cross-referenced part number: 11-5946 (Peak Industrial Inc).

What NSN replaces 2590-01-482-7998?

There are 4 known substitutes for 2590-01-482-7998: 5120-00-159-8882, 2810-00-306-5774, 5305-01-382-6759 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-5946?

Key specifications for 11-5946: Retaining Device Type: LANYARD; Material: COPPER ALLOY OVERALL; Special Features: GOES ON REFRIGERATION UNIT ON A SEMI-TRUCK.; System for Which Designed: NONPRESSURIZED. 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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