PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0111002Pneumatic Muffler,exhaust-Intake

Allied Witan Co Dba Alwitco · NSN 4330-00-587-6648 · FSC 4330 · No Item Name Available
Verified by PartsTable
NSN 4330-00-587-6648 — this item is cataloged by the U.S. Government under National Stock Number 4330-00-587-6648. Primary manufacturer part number: 0111002.
Features
  • Pneumatic Muffler,exhaust-Intake — FSC 4330
  • Material: ALUMINUM AND PLASTIC PHENOLIC LOCATION NOT OTHERWISE SPECIFIED
  • Inlet Location: CENTRALLY LOCATED END CAP
  • Thread Direction: RIGHT-HAND INLET
  • Inlet Connection Type: THREADED LOCATION NOT OTHERWISE SPECIFIED
  • Inlet Thread Size: 0.250-18 LOCATION NOT OTHERWISE SPECIFIED
  • Overall Diameter: 1.875 INCHES NOMINAL IN
  • Body Shape: ROUND
Applications
  • Applications requiring Aluminum and Plastic Phenolic Location Not Otherwise Specified construction
General Description

The Pneumatic Muffler,exhaust-Intake, cataloged under National Stock Number 4330-00-587-6648, is classified within Federal Supply Class 4330 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Allied Witan Co Dba Alwitco. Government technical data includes 12 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4330-00-587-6648
Primary Part Number0111002
Item NamePneumatic Muffler,exhaust-Intake
FSC / FSG4330 / 43 — No Item Name Available
ManufacturerAllied Witan Co Dba Alwitco
StatusCANCELLED
MaterialALUMINUM AND PLASTIC PHENOLIC LOCATION NOT OTHERWISE SPECIFIED
Inlet LocationCENTRALLY LOCATED END CAP
Thread DirectionRIGHT-HAND INLET
Inlet Connection TypeTHREADED LOCATION NOT OTHERWISE SPECIFIED
Inlet Thread Size0.250-18 LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter1.875 INCHES NOMINAL IN
Body ShapeROUND
Inlet Thread Series DesignatorNPT LOCATION NOT OTHERWISE SPECIFIED
Inlet Projection Length0.500 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Inlet Thread LocationEXTERNAL LOCATION NOT OTHERWISE SPECIFIED
Inlet Connection Quantity1
Muffler DesignSTRAIGHT THROUGH
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
2990-00-019-58820111002-M02 INTERCHANGEABLE
Muffler,exhaust
Allied Witan Co Dba Alwitco
3110-00-156-3569206KLLFS381 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
6620-00-557-0582 INTERCHANGEABLE
Indicator,pressure
5940-00-636-63632B14 INTERCHANGEABLE
Splice,conductor
Abb Installation Products Inc
5940-00-926-9764FTSM023 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
2920-00-983-0950AL61 INTERCHANGEABLE
Cap,ignition Distribution
Trw Inc Replacement Parts Div
5940-01-031-0764 INTERCHANGEABLE
Terminal,feedthru
4330-01-233-8103MB002A INTERCHANGEABLE
Pneumatic Muffler,exhaust-Intake
Norgren C a Co
5120-01-328-7577 INTERCHANGEABLE
Screwdriver,flat Tip
2920-01-406-8900C316 INTERCHANGEABLE
Cap,ignition Distribution
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
ES9963-01 Drs Sustainment Systems, Inc. (USA)
M02 Air-Vac Engineering Company Inc (USA)
BB-2 Morris C W Co (USA)
4440K20 Mcmaster-Carr Supply Co (USA)
9975964 Us Army Aviation and Missile Command (USA)
M02 Allied Witan Co Dba Alwitco (USA)
1231604 American Laundry Machinery Inc (USA)
753188 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
0111002 PRIMARY Allied Witan Co Dba Alwitco (USA)
1551AS915-1 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
PWA26443/20 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
M02-SERIES 4-44 Allied Witan Co Dba Alwitco (USA)
A53584 American Laundry Machinery Inc (USA)
Related Parts
2990-00-019-5882INTERCHANGEABLE
MUFFLER,EXHAUST
0111002-M02
3110-00-156-3569INTERCHANGEABLE
BEARING,BALL,ANNULAR
206KLLFS381
6620-00-557-0582INTERCHANGEABLE
INDICATOR,PRESSURE
5940-00-636-6363INTERCHANGEABLE
SPLICE,CONDUCTOR
2B14
5940-00-926-9764INTERCHANGEABLE
TERMINAL,FEEDTHRU
FTSM023
2920-00-983-0950INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
AL61
5940-01-031-0764INTERCHANGEABLE
TERMINAL,FEEDTHRU
4330-01-233-8103INTERCHANGEABLE
PNEUMATIC MUFFLER,EXHAUST-INTAKE
MB002A
5120-01-328-7577INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
2920-01-406-8900INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
C316
4820-01-436-3284INTERCHANGEABLE
BODY,VALVE
BB2

Frequently Asked Questions

What is NSN 4330-00-587-6648?

NSN 4330-00-587-6648 is a Pneumatic Muffler,exhaust-Intake, manufactured by Allied Witan Co Dba Alwitco, classified under FSC 4330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4330-00-587-6648?

NSN 4330-00-587-6648 has 13 cross-referenced part numbers: ES9963-01 (Drs Sustainment Systems, Inc.), M02 (Air-Vac Engineering Company Inc), BB-2 (Morris C W Co), 4440K20 (Mcmaster-Carr Supply Co), 9975964 (Us Army Aviation and Missile Command) and 8 more.

What NSN replaces 4330-00-587-6648?

There are 11 known substitutes for 4330-00-587-6648: 2990-00-019-5882, 3110-00-156-3569, 6620-00-557-0582 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0111002?

Key specifications for 0111002: Material: ALUMINUM AND PLASTIC PHENOLIC LOCATION NOT OTHERWISE SPECIFIED; Inlet Location: CENTRALLY LOCATED END CAP; Thread Direction: RIGHT-HAND INLET; Inlet Connection Type: THREADED LOCATION NOT OTHERWISE SPECIFIED. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4330-00-587-6648 still in active supply?

NSN 4330-00-587-6648 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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