PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FCS537WFiller Neck,vehicular Components

Lenz Inc Dba the Lenz Company · NSN 2590-00-623-7721 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-00-623-7721 — this item is cataloged by the U.S. Government under National Stock Number 2590-00-623-7721. Primary manufacturer part number: FCS537W.
Features
  • Filler Neck,vehicular Components — FSC 2590
  • Vehicle Design Control Activity: 97576
  • Features Provided: CAP AND CHAIN
  • 4 verified cross-references
  • Primary manufacturer: Lenz Inc Dba the Lenz Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Filler Neck,vehicular Components, cataloged under National Stock Number 2590-00-623-7721, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Lenz Inc Dba the Lenz Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-00-623-7721
Primary Part NumberFCS537W
Item NameFiller Neck,vehicular Components
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerLenz Inc Dba the Lenz Company
StatusACTIVE
Vehicle Design Control Activity97576
Features ProvidedCAP AND CHAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-078-727923408 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5950-00-296-131523408 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
6120-00-759-359023408 INTERCHANGEABLE
Power Supply
Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
5940-01-041-388629251 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5950-01-095-4085586R191H07 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
3110-01-123-715619301 INTERCHANGEABLE
Bearing,roller,cylindrical
Williams International Co., L.l.c.
5998-01-293-252023-408 INTERCHANGEABLE
Electronic Components Assembly
Kidde Technologies, Inc Div Kidde Aerospace and Defense
4030-01-579-572823408 INTERCHANGEABLE
Swivel and Link Assembly
Jergens Inc Div Tooling Components Division
6532-01-596-127580613 INTERCHANGEABLE
Blanket,warming,hypothermia
R.g. Enterprises (u.s.a.), Inc. Dba Rg Enterprises Inc
Cross-Reference Index
Part NumberManufacturer
FCS537W PRIMARY Lenz Inc Dba the Lenz Company (USA)
05963-000-00 Upright Inc (USA)
FCS-537W Northern Line Machine Div of Commencement Intl Corp (USA)
23408 Northern Line Machine Div of Commencement Intl Corp (USA)
Related Parts
5930-00-078-7279INTERCHANGEABLE
SWITCH,FLOW
23408
5950-00-296-1315INTERCHANGEABLE
REACTOR
23408
6120-00-759-3590INTERCHANGEABLE
POWER SUPPLY
23408
5940-01-041-3886INTERCHANGEABLE
TERMINAL,LUG
29251
5950-01-095-4085INTERCHANGEABLE
COIL,RADIO FREQUENCY
586R191H07
3110-01-123-7156INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
19301
5998-01-293-2520INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
23-408
4030-01-579-5728INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
23408
6532-01-596-1275INTERCHANGEABLE
BLANKET,WARMING,HYPOTHERMIA
80613

Frequently Asked Questions

What is NSN 2590-00-623-7721?

NSN 2590-00-623-7721 is a Filler Neck,vehicular Components, manufactured by Lenz Inc Dba the Lenz Company, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-00-623-7721?

NSN 2590-00-623-7721 has 4 cross-referenced part numbers: FCS537W (Lenz Inc Dba the Lenz Company), 05963-000-00 (Upright Inc), FCS-537W (Northern Line Machine Div of Commencement Intl Corp), 23408 (Northern Line Machine Div of Commencement Intl Corp).

What NSN replaces 2590-00-623-7721?

There are 9 known substitutes for 2590-00-623-7721: 5930-00-078-7279, 5950-00-296-1315, 6120-00-759-3590 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FCS537W?

Key specifications for FCS537W: Vehicle Design Control Activity: 97576; Features Provided: CAP AND CHAIN; Special Features: FLANGE TYPE WITH 6 MOUNTING HOLES 0.219 IN DIA E QUALLY SPACED ON 2.875 @DIA HOLE CIRCLE IN. 3 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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