PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30094Muffler,exhaust

Gt Exhaust Systems Inc · NSN 2990-01-531-0884 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-531-0884 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-531-0884. Primary manufacturer part number: 30094.
Features
  • Muffler,exhaust — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Gt Exhaust Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-531-0884, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Gt Exhaust Systems Inc. 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: Cancelled.

Technical Specifications
ParameterValue
NSN2990-01-531-0884
Primary Part Number30094
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGt Exhaust Systems Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
3110-00-100-0334652 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5330-00-383-6233D16089 INTERCHANGEABLE
Seal Ring,metal
Crane Co Div Valve Div
5340-01-125-657230094 INTERCHANGEABLE
Glide,furniture
Aerogo, Inc Dba Aerogo Inc
6210-01-195-870330094 INTERCHANGEABLE
Light,indicator
Osram Sylvania Inc
4820-01-220-7760B-98160 PIECE 4,7 5INCH INTERCHANGEABLE
Stem,fluid Valve
Crane Co Div Valve Div
4820-01-223-874430094 PIECE 7 5IN INTERCHANGEABLE
Stem,fluid Valve
Crane Co Div Valve Div
4820-01-223-880830094 PIECE 4 5IN INTERCHANGEABLE
Disk,valve
Crane Co Div Valve Div
4820-01-226-717430094 PIECE 7 4IN INTERCHANGEABLE
Stem,fluid Valve
Crane Co Div Valve Div
4820-01-338-760430094PC4-7-5IN INTERCHANGEABLE
Stem,fluid Valve
Crane Co Div Valve Div
4730-01-465-2507 INTERCHANGEABLE
Adapter,straight,tube to Hose
Cross-Reference Index
Part NumberManufacturer
30094 Amstech Power Products (USA)
30094 PRIMARY Gt Exhaust Systems Inc (USA)
Related Parts
3110-00-100-0334INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
652
5330-00-383-6233INTERCHANGEABLE
SEAL RING,METAL
D16089
5340-01-125-6572INTERCHANGEABLE
GLIDE,FURNITURE
30094
6210-01-195-8703INTERCHANGEABLE
LIGHT,INDICATOR
30094
4820-01-220-7760INTERCHANGEABLE
STEM,FLUID VALVE
B-98160 PIECE 4,7 5INCH
4820-01-223-8744INTERCHANGEABLE
STEM,FLUID VALVE
30094 PIECE 7 5IN
4820-01-223-8808INTERCHANGEABLE
DISK,VALVE
30094 PIECE 4 5IN
4820-01-226-7174INTERCHANGEABLE
STEM,FLUID VALVE
30094 PIECE 7 4IN
4820-01-338-7604INTERCHANGEABLE
STEM,FLUID VALVE
30094PC4-7-5IN
4730-01-465-2507INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4730-01-702-5116INTERCHANGEABLE
ELBOW,PIPE

Frequently Asked Questions

What is NSN 2990-01-531-0884?

NSN 2990-01-531-0884 is a Muffler,exhaust, manufactured by Gt Exhaust Systems Inc, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-01-531-0884?

NSN 2990-01-531-0884 has 2 cross-referenced part numbers: 30094 (Amstech Power Products), 30094 (Gt Exhaust Systems Inc).

What NSN replaces 2990-01-531-0884?

There are 11 known substitutes for 2990-01-531-0884: 3110-00-100-0334, 5330-00-383-6233, 5340-01-125-6572 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30094?

Key specifications for 30094: Special Features: 4 INCH CRITICAL GRADE SILENCER; FLOATING FLANGES ON BOTH ENDS; DRAIN BOTH ENDS; TYPICAL ATTENUATION: 25-30DBA; MATERIAL: ALUMINIZED STEEL WITH CARBON STEEL FLANGES; FINISH: HIGH HEAT BLACK; OUTLET END 7.91 IN. X 11.81 IN.(REF); INLET END 7.91 I.; SIDE 24.60 IN.; FLANGE PATTERN .75 DIA.; 8 HOLES ON 7.50 DIA. B.C. (FLOATING FLANGES) (2 PLCS.) IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-01-531-0884 still in active supply?

NSN 2990-01-531-0884 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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