PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E6550Filler and Bleeder,hydraulic Sys

Metadure Parts & Sales, Inc. · NSN 4910-00-939-1428 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-00-939-1428 — this item is cataloged by the U.S. Government under National Stock Number 4910-00-939-1428. Primary manufacturer part number: E6550.
Features
  • Filler and Bleeder,hydraulic Sys — FSC 4910
  • General Characteristics Item Description: C/O THREE WHEEL TRAILER W/PNEUMATIC TIRES,RESERVOIR,HAND OPERATED HIGH PRESSURE PUMP AND LOW PRESSURE PUMP,LINE FILTER,0-5000 LBS PSI PRESSURE GAGE,CHECK VALVE,RELIEF VALVES,BLEED VALVE,SERVICING HOSE AND MISC ACCESSORIES LBS
  • Reference Data and Literature: TO 1F-111A-4-18 & 35D3-18-8-1 A
  • 3 verified cross-references
  • Primary manufacturer: Metadure Parts & Sales, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Filler and Bleeder,hydraulic Sys, cataloged under National Stock Number 4910-00-939-1428, is classified within Federal Supply Class 4910 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Metadure Parts & Sales, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-00-939-1428
Primary Part NumberE6550
Item NameFiller and Bleeder,hydraulic Sys
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerMetadure Parts & Sales, Inc.
StatusACTIVE
General Characteristics Item DescriptionC/O THREE WHEEL TRAILER W/PNEUMATIC TIRES,RESERVOIR,HAND OPERATED HIGH PRESSURE PUMP AND LOW PRESSURE PUMP,LINE FILTER,0-5000 LBS PSI PRESSURE GAGE,CHECK VALVE,RELIEF VALVES,BLEED VALVE,SERVICING HOSE AND MISC ACCESSORIES LBS
Reference Data and LiteratureTO 1F-111A-4-18 & 35D3-18-8-1 A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4910-00-088-57181082 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Testek Llc Dba Testek Solutions
4910-00-157-1450 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
4910-00-939-14278000M1 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Randall Mfg. Co., Inc.
4910-00-947-7124E10385 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Metadure Parts & Sales, Inc.
4910-01-111-4321 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
4910-01-239-0022204000 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Goodman Ball, Inc. Dba Gbi
4910-01-437-0442HFB83766 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Atap Inc
Cross-Reference Index
Part NumberManufacturer
E6550 PRIMARY Metadure Parts & Sales, Inc. (USA)
M83766 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E6550 Stewart Avionics Inc (USA)
Related Parts
4910-00-088-5718INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
1082
4910-00-157-1450INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
4910-00-939-1427INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
8000M1
4910-00-947-7124INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
E10385
4910-01-111-4321INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
4910-01-239-0022INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
204000
4910-01-437-0442INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
HFB83766

Frequently Asked Questions

What is NSN 4910-00-939-1428?

NSN 4910-00-939-1428 is a Filler and Bleeder,hydraulic Sys, manufactured by Metadure Parts & Sales, Inc., classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-00-939-1428?

NSN 4910-00-939-1428 has 3 cross-referenced part numbers: E6550 (Metadure Parts & Sales, Inc.), M83766 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), E6550 (Stewart Avionics Inc).

What NSN replaces 4910-00-939-1428?

There are 7 known substitutes for 4910-00-939-1428: 4910-00-088-5718, 4910-00-157-1450, 4910-00-939-1427 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E6550?

Key specifications for E6550: General Characteristics Item Description: C/O THREE WHEEL TRAILER W/PNEUMATIC TIRES,RESERVOIR,HAND OPERATED HIGH PRESSURE PUMP AND LOW PRESSURE PUMP,LINE FILTER,0-5000 LBS PSI PRESSURE GAGE,CHECK VALVE,RELIEF VALVES,BLEED VALVE,SERVICING HOSE AND MISC ACCESSORIES LBS; Reference Data and Literature: TO 1F-111A-4-18 & 35D3-18-8-1 A; Part Name Assigned by Controlling Agency: MANUAL HYDRAULIC PUMPING UNIT. 3 total characteristics are documented in the Federal Logistics Information System.

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