PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3950-1Cap,filler Opening

Wisco Products Inc · NSN 2590-01-444-5115 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-444-5115 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-444-5115. Primary manufacturer part number: 3950-1.
Features
  • Cap,filler Opening — FSC 2590
  • Style Designator: OUTSIDE CAM TYPE
  • Accommodation Type: HANDLE END GRIPPING
  • 3 verified cross-references
  • Primary manufacturer: Wisco Products Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-444-5115, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Wisco Products Inc. Government technical data includes 2 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-444-5115
Primary Part Number3950-1
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerWisco Products Inc
StatusACTIVE
Style DesignatorOUTSIDE CAM TYPE
Accommodation TypeHANDLE END GRIPPING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-350-864311-0602 INTERCHANGEABLE
Tie Rod End,steering
Trailer Component Manufacturing Inc.
5950-00-968-0299A02419 INTERCHANGEABLE
Transformer,audio Frequency
Lockheed Martin Corporation Div Rms - Mitchel Field
6630-01-065-903139501 INTERCHANGEABLE
Electrode,ph
Newington Electric Co., Inc.
3460-01-082-910639501 INTERCHANGEABLE
Milling-Grinding-Drilling-Slotti
Jergens Inc Div Tooling Components Division
1650-01-216-807339501 INTERCHANGEABLE
Manifold Assembly
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6680-01-287-960039501 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5961-01-463-157239501 INTERCHANGEABLE
Semiconductor Device,diode
Vicor Corp Dba Vicorpowercom
6210-01-549-08033950-1 INTERCHANGEABLE
Light,marker,airport Approach
O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.
2530-01-554-828812506982 INTERCHANGEABLE
Parts Kit,ball Joint
Am General Llc
5340-01-593-426436845014 INTERCHANGEABLE
Cap,filler Opening
Ingersoll-Rand Company Dba Rotary Compressor Division
Cross-Reference Index
Part NumberManufacturer
3950-1 PRIMARY Wisco Products Inc (USA)
3950-1 Wisco Products Inc Wisco Sarasota Div (USA)
36845014 Clark Equipment Co Div Doosan Infracore Portable Power (USA)
Related Parts
2530-00-350-8643INTERCHANGEABLE
TIE ROD END,STEERING
11-0602
5950-00-968-0299INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A02419
6630-01-065-9031INTERCHANGEABLE
ELECTRODE,PH
39501
3460-01-082-9106INTERCHANGEABLE
MILLING-GRINDING-DRILLING-SLOTTI
39501
1650-01-216-8073INTERCHANGEABLE
MANIFOLD ASSEMBLY
39501
6680-01-287-9600INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
39501
5961-01-463-1572INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
39501
6210-01-549-0803INTERCHANGEABLE
LIGHT,MARKER,AIRPORT APPROACH
3950-1
2530-01-554-8288INTERCHANGEABLE
PARTS KIT,BALL JOINT
12506982
5340-01-593-4264INTERCHANGEABLE
CAP,FILLER OPENING
36845014
3040-01-685-6627INTERCHANGEABLE
BALL JOINT
39-501

Frequently Asked Questions

What is NSN 2590-01-444-5115?

NSN 2590-01-444-5115 is a Cap,filler Opening, manufactured by Wisco Products Inc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-444-5115?

NSN 2590-01-444-5115 has 3 cross-referenced part numbers: 3950-1 (Wisco Products Inc), 3950-1 (Wisco Products Inc Wisco Sarasota Div), 36845014 (Clark Equipment Co Div Doosan Infracore Portable Power).

What NSN replaces 2590-01-444-5115?

There are 11 known substitutes for 2590-01-444-5115: 2530-00-350-8643, 5950-00-968-0299, 6630-01-065-9031 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3950-1?

Key specifications for 3950-1: Style Designator: OUTSIDE CAM TYPE; Accommodation Type: HANDLE END GRIPPING. 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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