PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49737Cap,filler Opening

Sullair Corp · NSN 2590-01-159-8641 · FSC 2590 · No Item Name Available
Verified by PartsTable
NSN 2590-01-159-8641 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-159-8641. Primary manufacturer part number: 49737.
Features
  • Cap,filler Opening — FSC 2590
  • Pressure Relief Method: AUTOMATIC
  • System for Which Designed: PRESSURIZED
  • 1 verified cross-reference
  • Primary manufacturer: Sullair Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cap,filler Opening, cataloged under National Stock Number 2590-01-159-8641, is classified within Federal Supply Class 2590 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Sullair Corp. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2590-01-159-8641
Primary Part Number49737
Item NameCap,filler Opening
FSC / FSG2590 / 25 — No Item Name Available
ManufacturerSullair Corp
StatusACTIVE
Pressure Relief MethodAUTOMATIC
System for Which DesignedPRESSURIZED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6130-00-185-147749737-2 INTERCHANGEABLE
Power Supply Assembly
Brunson Instrument Company Dba Brunson Instrument Company
5133-00-232-2867 INTERCHANGEABLE
Drill,twist
5330-00-569-9610103080 INTERCHANGEABLE
Seal,plain Encased
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
49737 PRIMARY Sullair Corp (USA)
Related Parts
6130-00-185-1477INTERCHANGEABLE
POWER SUPPLY ASSEMBLY
49737-2
5133-00-232-2867INTERCHANGEABLE
DRILL,TWIST
5330-00-569-9610INTERCHANGEABLE
SEAL,PLAIN ENCASED
103080

Frequently Asked Questions

What is NSN 2590-01-159-8641?

NSN 2590-01-159-8641 is a Cap,filler Opening, manufactured by Sullair Corp, classified under FSC 2590 (No Item Name Available). Status: active.

What are the part numbers for NSN 2590-01-159-8641?

NSN 2590-01-159-8641 has 1 cross-referenced part number: 49737 (Sullair Corp).

What NSN replaces 2590-01-159-8641?

There are 3 known substitutes for 2590-01-159-8641: 6130-00-185-1477, 5133-00-232-2867, 5330-00-569-9610. Verify interchangeability with system specifications before substitution.

What are the specifications of 49737?

Key specifications for 49737: Pressure Relief Method: AUTOMATIC; System for Which Designed: PRESSURIZED. 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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