PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99598Pneumatic Muffler,exhaust-Intake

Stewart & Stevenson Power Products Llc · NSN 4330-01-370-6151 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-01-370-6151 — this item is cataloged by the U.S. Government under National Stock Number 4330-01-370-6151. Primary manufacturer part number: 99598.
Features
  • Pneumatic Muffler,exhaust-Intake — FSC 4330
  • Inlet Connection Quantity: 1
  • Body Shape: ROUND
  • Outlet Connection Quantity: 1
  • Outlet Connection Type: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Outlet Location: SIDE END
  • Inlet Location: SIDE END
  • Inlet Outside Diameter: 2.510 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-01-370-6151, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 10 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4330-01-370-6151
Primary Part Number99598
Item NamePneumatic Muffler,exhaust-Intake
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
Inlet Connection Quantity1
Body ShapeROUND
Outlet Connection Quantity1
Outlet Connection TypeUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Outlet LocationSIDE END
Inlet LocationSIDE END
Inlet Outside Diameter2.510 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outlet Outside Diameter2.510 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Inlet Connection TypeUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter8.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5130-00-492-835199-598 INTERCHANGEABLE
Nose Assembly,fastener Installat
Huck International, Inc. Div Kingston Operations
6150-01-503-202599598 INTERCHANGEABLE
Cord,extension Electric
Fellowes Inc
Cross-Reference Index
Part NumberManufacturer
99598 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5130-00-492-8351INTERCHANGEABLE
NOSE ASSEMBLY,FASTENER INSTALLAT
99-598
6150-01-503-2025INTERCHANGEABLE
CORD,EXTENSION ELECTRIC
99598

Frequently Asked Questions

What is NSN 4330-01-370-6151?

NSN 4330-01-370-6151 is a Pneumatic Muffler,exhaust-Intake, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 4330 (No Item Name Available). Status: active.

What are the part numbers for NSN 4330-01-370-6151?

NSN 4330-01-370-6151 has 1 cross-referenced part number: 99598 (Stewart & Stevenson Power Products Llc).

What NSN replaces 4330-01-370-6151?

There are 2 known substitutes for 4330-01-370-6151: 5130-00-492-8351, 6150-01-503-2025. Verify interchangeability with system specifications before substitution.

What are the specifications of 99598?

Key specifications for 99598: End Item Identification: 6115-01-304-8183; Inlet Connection Quantity: 1; Body Shape: ROUND; Special Features: BLANKET THICKNESS NOT TO EXCEED 1 INCH AND BLANKET SKIN TEMPERATURE NOT TO EXCEED 140DEG F IN. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com