PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HFB83766Filler and Bleeder,hydraulic Sys

Atap Inc · NSN 4910-01-437-0442 · FSC 4910 · No Item Name Available
Verified by PartsTable
NSN 4910-01-437-0442 — this item is cataloged by the U.S. Government under National Stock Number 4910-01-437-0442. Primary manufacturer part number: HFB83766.
Features
  • Filler and Bleeder,hydraulic Sys — FSC 4910
  • 5 verified cross-references
  • Primary manufacturer: Atap 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 4910-01-437-0442, 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 Atap Inc. This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4910-01-437-0442
Primary Part NumberHFB83766
Item NameFiller and Bleeder,hydraulic Sys
FSC / FSG4910 / 49 — No Item Name Available
ManufacturerAtap Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4910-00-088-57181082 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Testek Llc Dba Testek Solutions
4730-00-117-4550970-1 INTERCHANGEABLE
Restrictor,fluid Flow
Collins Engine Nozzles, Inc
4910-00-157-1450 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
5915-00-226-5428SMD502414 INTERCHANGEABLE
Filter Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8020-00-397-2840 INTERCHANGEABLE
Brush,artist's
5960-00-860-7709 INTERCHANGEABLE
Shield,electron Tube
4910-00-939-14278000M1 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Randall Mfg. Co., Inc.
4910-00-939-1428E6550 INTERCHANGEABLE
Filler and Bleeder,hydraulic Sys
Metadure Parts & Sales, 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
Cross-Reference Index
Part NumberManufacturer
HFB83766 PRIMARY Atap Inc (USA)
9701A Hydraulic Technology, Inc (USA)
4910PL1605341 Jednolity Indeks Materialowy - Uniform Material Index (POL)
M83766 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
9701 Hydraulic Technology, Inc (USA)
Related Parts
4910-00-088-5718INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
1082
4730-00-117-4550INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
970-1
4910-00-157-1450INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
5915-00-226-5428INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
SMD502414
8020-00-397-2840INTERCHANGEABLE
BRUSH,ARTIST'S
5960-00-860-7709INTERCHANGEABLE
SHIELD,ELECTRON TUBE
4910-00-939-1427INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
8000M1
4910-00-939-1428INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
E6550
4910-00-947-7124INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
E10385
4910-01-111-4321INTERCHANGEABLE
FILLER AND BLEEDER,HYDRAULIC SYS
5306-01-121-5417INTERCHANGEABLE
ROD,THREADED END
970-1
5310-01-122-4499INTERCHANGEABLE
NUT,HEXAGON
970-1

Frequently Asked Questions

What is NSN 4910-01-437-0442?

NSN 4910-01-437-0442 is a Filler and Bleeder,hydraulic Sys, manufactured by Atap Inc, classified under FSC 4910 (No Item Name Available). Status: active.

What are the part numbers for NSN 4910-01-437-0442?

NSN 4910-01-437-0442 has 5 cross-referenced part numbers: HFB83766 (Atap Inc), 9701A (Hydraulic Technology, Inc), 4910PL1605341 (Jednolity Indeks Materialowy - Uniform Material Index), M83766 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 9701 (Hydraulic Technology, Inc).

What NSN replaces 4910-01-437-0442?

There are 12 known substitutes for 4910-01-437-0442: 4910-00-088-5718, 4730-00-117-4550, 4910-00-157-1450 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HFB83766?

Key specifications for HFB83766: Special Features: C/O 3 WHEEL TRAILER WITH RESERVIOR, HAND OPERATED HIGH PRESSURE PUMP, LOW PRESSURE PUMP, LINE FILTER, PRESSURE GAGE, CHECK VALVE, RELIEF VALVE, BLEED VALVE SERVICING HOSE. 1 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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