PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90501Muffler,exhaust

Riker Products Inc · NSN 2990-01-514-5385 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-514-5385 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-514-5385. Primary manufacturer part number: 90501.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Projection Length: 3.750 INCHES NOMINAL FIRST OUTLET IN
  • Outlet Location: LOCATED ON ONE END
  • Inlet Location: LOCATED ON ONE END
  • Body Shape: ROUND
  • Inlet Inside Diameter: 5.000 INCHES NOMINAL SINGLE INLET IN
  • Outlet Inside Diameter: 5.000 INCHES NOMINAL FIRST OUTLET IN
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-514-5385, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Riker Products Inc. Government technical data includes 9 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-514-5385
Primary Part Number90501
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRiker Products Inc
StatusACTIVE
Outlet Projection Length3.750 INCHES NOMINAL FIRST OUTLET IN
Outlet LocationLOCATED ON ONE END
Inlet LocationLOCATED ON ONE END
Body ShapeROUND
Inlet Inside Diameter5.000 INCHES NOMINAL SINGLE INLET IN
Outlet Inside Diameter5.000 INCHES NOMINAL FIRST OUTLET IN
Outlet Connection TypeUNTHREADED FIRST OUTLET
Inlet Projection Length3.750 INCHES NOMINAL SINGLE INLET IN
Overall Diameter9.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-00-008-0512 INTERCHANGEABLE
Switch,toggle
1560-00-169-8704 INTERCHANGEABLE
Regulator,fuel Tank,aircraft
5895-00-505-17315100-4 INTERCHANGEABLE
Generator,pulse
Unison Industries Llc
5945-01-112-07349050-1 INTERCHANGEABLE
Solenoid,electrical
Television Technology Corp Ampro/scully Div
4920-01-297-973290501 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
309634 Alvis Moelv As Tidl Hagglundsmoelvas (NOR)
90501 PRIMARY Riker Products Inc (USA)
Related Parts
5930-00-008-0512INTERCHANGEABLE
SWITCH,TOGGLE
1560-00-169-8704INTERCHANGEABLE
REGULATOR,FUEL TANK,AIRCRAFT
5895-00-505-1731INTERCHANGEABLE
GENERATOR,PULSE
5100-4
5945-01-112-0734INTERCHANGEABLE
SOLENOID,ELECTRICAL
9050-1
4920-01-297-9732INTERCHANGEABLE
TEST PROGRAM SET
90501

Frequently Asked Questions

What is NSN 2990-01-514-5385?

NSN 2990-01-514-5385 is a Muffler,exhaust, manufactured by Riker Products Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-514-5385?

NSN 2990-01-514-5385 has 2 cross-referenced part numbers: 309634 (Alvis Moelv As Tidl Hagglundsmoelvas), 90501 (Riker Products Inc).

What NSN replaces 2990-01-514-5385?

There are 5 known substitutes for 2990-01-514-5385: 5930-00-008-0512, 1560-00-169-8704, 5895-00-505-1731 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90501?

Key specifications for 90501: Outlet Projection Length: 3.750 INCHES NOMINAL FIRST OUTLET IN; Outlet Location: LOCATED ON ONE END; Inlet Location: LOCATED ON ONE END; Body Shape: ROUND. 10 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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