PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8XCap Assembly,protective,muffler-

Raincap Industrial · NSN 2990-01-714-1926 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-714-1926 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-714-1926. Primary manufacturer part number: 8X.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • Pipe Outside Diameter Accommodated: 2.880 INCHES IN
  • Material: ALUMINUM ALLOY
  • 3 verified cross-references
  • Primary manufacturer: Raincap Industrial
Applications
  • Applications requiring Aluminum Alloy construction
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-01-714-1926, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Raincap Industrial. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-714-1926
Primary Part Number8X
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRaincap Industrial
StatusACTIVE
Pipe Outside Diameter Accommodated2.880 INCHES IN
MaterialALUMINUM ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-882-5070NAS834-67 INTERCHANGEABLE
Cap-Plug,protective,dust and Moi
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5945-01-026-0506 INTERCHANGEABLE
Relay,electromagnetic
7690-01-254-57978-X INTERCHANGEABLE
Label
Precision Dynamics Corporation
2990-01-593-532155X INTERCHANGEABLE
Cap Assembly,protective,muffler-
Raincap Industrial
2990-01-602-02357 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Raincap Industrial
Cross-Reference Index
Part NumberManufacturer
04-21038-2 Department of Defense Project Manager-Mobile Electric Power (USA)
04-21038 Department of Defense Project Manager-Mobile Electric Power (USA)
8X PRIMARY Raincap Industrial (USA)
Related Parts
5340-00-882-5070INTERCHANGEABLE
CAP-PLUG,PROTECTIVE,DUST AND MOI
NAS834-67
5945-01-026-0506INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
7690-01-254-5797INTERCHANGEABLE
LABEL
8-X
2990-01-593-5321INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
55X
2990-01-602-0235INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
7

Frequently Asked Questions

What is NSN 2990-01-714-1926?

NSN 2990-01-714-1926 is a Cap Assembly,protective,muffler-, manufactured by Raincap Industrial, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-714-1926?

NSN 2990-01-714-1926 has 3 cross-referenced part numbers: 04-21038-2 (Department of Defense Project Manager-Mobile Electric Power), 04-21038 (Department of Defense Project Manager-Mobile Electric Power), 8X (Raincap Industrial).

What NSN replaces 2990-01-714-1926?

There are 5 known substitutes for 2990-01-714-1926: 5340-00-882-5070, 5945-01-026-0506, 7690-01-254-5797 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8X?

Key specifications for 8X: Pipe Outside Diameter Accommodated: 2.880 INCHES IN; Special Features: INSIDE BRACKET WIDTH:38.1 MILLIMETERS;PAINT HIGH TEMPERATURE FLAT BLACK,PAINT SHALL WITHSTAND 100 DEGREES FAHRENHEIT MINIMUM; MM; Part Name Assigned by Controlling Agency: CAP,RAIN EXHAUST; End Item Identification: 6115-01-561-7788. 5 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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