PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19775Muffler Assembly,so

Hdt Expeditionary Systems Inc · NSN 4130-00-779-4847 · FSC 4130 · No Item Name Available
Verified by PartsTable
NSN 4130-00-779-4847 — this item is cataloged by the U.S. Government under National Stock Number 4130-00-779-4847. Primary manufacturer part number: 19775.
Features
  • Muffler Assembly,so — FSC 4130
  • 4 verified cross-references
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler Assembly,so, cataloged under National Stock Number 4130-00-779-4847, is classified within Federal Supply Class 4130 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMuffler Assembly,so
FSC / FSG4130 — No Item Name Available (FSG 41)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878); Keco Industries, Inc. (CAGE 94833); Drs Environmental Systems Inc (CAGE 5RQL2)
Technical Specifications
ParameterValue
NSN4130-00-779-4847
Primary Part Number19775
Item NameMuffler Assembly,so
FSC / FSG4130 / 41 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9905-00-052-439219775 INTERCHANGEABLE
Plate,identification
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5360-00-073-080519775 INTERCHANGEABLE
Spring,helical,compression
Cadillac Gage Textron Inc.
4320-00-248-0232019775 INTERCHANGEABLE
Impeller,pump,centrifugal
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6640-00-290-6726 INTERCHANGEABLE
Tripod,laboratory Apparatus
9540-00-528-9346E711310XRAND INTERCHANGEABLE
Beam,structural
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
2520-01-151-2226 INTERCHANGEABLE
Clutch Assembly,friction
6140-01-236-8602019775-000 INTERCHANGEABLE
Battery,storage
Saft America Inc. Dba Tadiran Batteries Div Aviation Division
5331-01-415-963219775 INTERCHANGEABLE
O-Ring
Spx Fluid Power
Cross-Reference Index
Part NumberManufacturer
19775 PRIMARY Hdt Expeditionary Systems Inc (USA)
19775 Keco Industries, Inc. (USA)
19775 Drs Environmental Systems Inc (USA)
C19775 Keco Industries, Inc. (USA)
Related Parts
9905-00-052-4392INTERCHANGEABLE
PLATE,IDENTIFICATION
19775
5360-00-073-0805INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
19775
4320-00-248-0232INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
019775
6640-00-290-6726INTERCHANGEABLE
TRIPOD,LABORATORY APPARATUS
9540-00-528-9346INTERCHANGEABLE
BEAM,STRUCTURAL
E711310XRAND
2520-01-151-2226INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
6140-01-236-8602INTERCHANGEABLE
BATTERY,STORAGE
019775-000
5331-01-415-9632INTERCHANGEABLE
O-RING
19775

Frequently Asked Questions

What is NSN 4130-00-779-4847?

NSN 4130-00-779-4847 is a Muffler Assembly,so, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4130 (No Item Name Available). Status: active.

What are the part numbers for NSN 4130-00-779-4847?

NSN 4130-00-779-4847 has 4 cross-referenced part numbers: 19775 (Hdt Expeditionary Systems Inc), 19775 (Keco Industries, Inc.), 19775 (Drs Environmental Systems Inc), C19775 (Keco Industries, Inc.).

What NSN replaces 4130-00-779-4847?

There are 8 known substitutes for 4130-00-779-4847: 9905-00-052-4392, 5360-00-073-0805, 4320-00-248-0232 and 5 more. Verify interchangeability with system specifications before substitution.

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