PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12137Cap,filler Opening

Generac Mobile Products, Llc · NSN 2590-01-576-9535 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-576-9535 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-576-9535. Primary manufacturer part number: 12137.
Features
  • Cap,filler Opening — FSC 2590
  • Unable to Decode: UNABLE TO DECODE
  • Material: PLASTIC POLYAMIDE NYLON BODY
  • Special Markings: DIESEL ONLY
  • Accommodation Type: NOTCHED END GRIPPING
  • Color: BLACK
  • Style Designator: VENTED THREADED TYPE (INTERNAL)
  • Retaining Device Type: LANYARD
Applications
  • Applications requiring Plastic Polyamide Nylon Body construction
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-576-9535, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Generac Mobile Products, Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN2590-01-576-9535
Primary Part Number12137
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
MaterialPLASTIC POLYAMIDE NYLON BODY
Special MarkingsDIESEL ONLY
Accommodation TypeNOTCHED END GRIPPING
ColorBLACK
Style DesignatorVENTED THREADED TYPE (INTERNAL)
Retaining Device TypeLANYARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-523-8179202693 INTERCHANGEABLE
Disk,valve
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6145-00-617-0776 INTERCHANGEABLE
Cable,radio Frequency
6625-00-766-3357338-W INTERCHANGEABLE
Ammeter
Stewart-Warner Corporation
5999-00-881-662701-0101-2137 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5999-00-933-9292 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5360-00-965-9887202693 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
5330-00-992-8557M12137 INTERCHANGEABLE
Gasket
Itw Food Equipment Group Llc Dba Hobart Service
4820-01-124-908212137-501 INTERCHANGEABLE
Coupling,actuator-Handwheel,valv
B.w. Elliott Manufacturing Co., Llc
5930-01-375-607612137 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5995-01-412-0406121-37 INTERCHANGEABLE
Wiring Harness
Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
Cross-Reference Index
Part NumberManufacturer
202693 Kelch Corp (USA)
12137 PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
4820-00-523-8179INTERCHANGEABLE
DISK,VALVE
202693
6145-00-617-0776INTERCHANGEABLE
CABLE,RADIO FREQUENCY
6625-00-766-3357INTERCHANGEABLE
AMMETER
338-W
5999-00-881-6627INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
01-0101-2137
5999-00-933-9292INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5360-00-965-9887INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
202693
5330-00-992-8557INTERCHANGEABLE
GASKET
M12137
4820-01-124-9082INTERCHANGEABLE
COUPLING,ACTUATOR-HANDWHEEL,VALV
12137-501
5930-01-375-6076INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
12137
5995-01-412-0406INTERCHANGEABLE
WIRING HARNESS
121-37
4820-01-440-4681INTERCHANGEABLE
COUPLING,ACTUATOR-HANDWHEEL,VALV
12137-1510

Frequently Asked Questions

What is NSN 2590-01-576-9535?

NSN 2590-01-576-9535 is a Cap,filler Opening, manufactured by Generac Mobile Products, Llc, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-576-9535?

NSN 2590-01-576-9535 has 2 cross-referenced part numbers: 202693 (Kelch Corp), 12137 (Generac Mobile Products, Llc).

What NSN replaces 2590-01-576-9535?

There are 11 known substitutes for 2590-01-576-9535: 4820-00-523-8179, 6145-00-617-0776, 6625-00-766-3357 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12137?

Key specifications for 12137: Unable to Decode: UNABLE TO DECODE; Material: PLASTIC POLYAMIDE NYLON BODY; Special Markings: DIESEL ONLY; Accommodation Type: NOTCHED END GRIPPING. 7 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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