PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-22636Cap Assembly,protective,muffler-

H20 Tank Inc U S Motors Div · NSN 2990-00-198-5791 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-198-5791 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-198-5791. Primary manufacturer part number: S-22636.
Features
  • Cap Assembly,protective,muffler- — FSC 2990
  • Pipe Outside Diameter Accommodated: 1.500 INCHES IN
  • Material: STEEL
  • 13 verified cross-references
  • Primary manufacturer: H20 Tank Inc U S Motors Div
Applications
  • Applications requiring Steel construction
General Description

The Cap Assembly,protective,muffler-, cataloged under National Stock Number 2990-00-198-5791, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-198-5791
Primary Part NumberS-22636
Item NameCap Assembly,protective,muffler-
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusCANCELLED
Pipe Outside Diameter Accommodated1.500 INCHES IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
2915-00-051-72961100-3 INTERCHANGEABLE
Plate,actuator Asse
B.c. Systems Inc. Dba Bc Systems Inc
3110-00-108-3821 INTERCHANGEABLE
Bearing,ball,annular
2990-00-235-470901-002 INTERCHANGEABLE
Cap Assembly,protective,muffler-
Parker-Hannifin Corporation Div Quick Coupling Division
6125-00-244-1770 INTERCHANGEABLE
Stator,dynamotor
6640-00-252-8044 INTERCHANGEABLE
Pump,acid,pneumatic,hand
5905-00-311-585311003 INTERCHANGEABLE
Resistor,adjustable
Eaton Corp Opns & Technical Center
2805-00-328-541501002 INTERCHANGEABLE
Guide,valve Stem
Safeguard Powertech Systems
6630-00-330-4350 INTERCHANGEABLE
Test Cell,salinity
5340-00-358-2352110A666 INTERCHANGEABLE
Cover,access
Cummins Power Generation Inc.
2810-00-720-37040-100-2 INTERCHANGEABLE
Engine,aircraft,reciprocating
Mcculloch Corp
Cross-Reference Index
Part NumberManufacturer
05-4004 Libby Power Systems, Llc (USA)
13205E5515 Cecom Lr Center (USA)
S-22636 PRIMARY H20 Tank Inc U S Motors Div (USA)
11171-45-141 Garwood/feller Inc Garwood Winch Div (USA)
11003 Gleason Corp Anthes Div (USA)
NUMBER 2 Gleason Corp Anthes Div (USA)
NA002354 PRIMARY Perkins Engines Inc (USA)
S-22361 PRIMARY H20 Tank Inc U S Motors Div (USA)
244341 Allis-Chalmers Corp (USA)
Z-256-30 Gardner Denver Inc. (USA)
01-002 Parker-Hannifin Corporation Div Quick Coupling Division (USA)
6H4605 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
7S5004 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
2915-00-051-7296INTERCHANGEABLE
PLATE,ACTUATOR ASSE
1100-3
3110-00-108-3821INTERCHANGEABLE
BEARING,BALL,ANNULAR
2990-00-235-4709INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
01-002
6125-00-244-1770INTERCHANGEABLE
STATOR,DYNAMOTOR
6640-00-252-8044INTERCHANGEABLE
PUMP,ACID,PNEUMATIC,HAND
5905-00-311-5853INTERCHANGEABLE
RESISTOR,ADJUSTABLE
11003
2805-00-328-5415INTERCHANGEABLE
GUIDE,VALVE STEM
01002
6630-00-330-4350INTERCHANGEABLE
TEST CELL,SALINITY
5340-00-358-2352INTERCHANGEABLE
COVER,ACCESS
110A666
2810-00-720-3704INTERCHANGEABLE
ENGINE,AIRCRAFT,RECIPROCATING
0-100-2
5930-00-789-4034INTERCHANGEABLE
SWITCH,PUSH
11003
4820-00-880-0425INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 2990-00-198-5791?

NSN 2990-00-198-5791 is a Cap Assembly,protective,muffler-, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-198-5791?

NSN 2990-00-198-5791 has 13 cross-referenced part numbers: 05-4004 (Libby Power Systems, Llc), 13205E5515 (Cecom Lr Center), S-22636 (H20 Tank Inc U S Motors Div), 11171-45-141 (Garwood/feller Inc Garwood Winch Div), 11003 (Gleason Corp Anthes Div) and 8 more.

What NSN replaces 2990-00-198-5791?

There are 12 known substitutes for 2990-00-198-5791: 2915-00-051-7296, 3110-00-108-3821, 2990-00-235-4709 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-22636?

Key specifications for S-22636: Pipe Outside Diameter Accommodated: 1.500 INCHES IN; Material: STEEL. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-198-5791 still in active supply?

NSN 2990-00-198-5791 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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