PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1551Valve,linear,directional Control

Midland Brake Inc Div of Echlin Inc · NSN 4820-00-126-8531 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-126-8531 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-126-8531. Primary manufacturer part number: 1551.
Features
  • Valve,linear,directional Control — FSC 4820
  • 9 verified cross-references
  • Primary manufacturer: Midland Brake Inc Div of Echlin Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-00-126-8531, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Midland Brake Inc Div of Echlin Inc. This item has 9 commercial cross-references from 6 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
NSN4820-00-126-8531
Primary Part Number1551
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMidland Brake Inc Div of Echlin Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6130-00-240-243639-685 INTERCHANGEABLE
Charger,battery
Applied Power Inc Power Packer
5110-00-541-4961 INTERCHANGEABLE
Reamer,hand
1660-00-676-083922762-00 INTERCHANGEABLE
Guide,stem,relief V
Avox Systems Inc Dba Avox Systems Inc
9540-01-071-1356 INTERCHANGEABLE
Beam,structural
4140-01-087-035936 FN5000A08 INTERCHANGEABLE
Impeller,fan,axial
Abb Motors & Mechanical Inc Div Abb Motors and Mechanical Inc.
5962-01-124-167222762 INTERCHANGEABLE
Microcircuit
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5331-01-126-455822762 INTERCHANGEABLE
O-Ring
Williams International Co., L.l.c.
5305-01-145-797232134 INTERCHANGEABLE
Screw,tapping
Barnes Group Inc. Dba Barnes Distribution
5305-01-278-423632134 INTERCHANGEABLE
Screw,machine
Aerosonic Llc
6105-01-349-6269 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
1551 Midland Brake Inc Div of Echlin Inc (USA)
22762 Bendix Corp the Brake and Steering Div (USA)
KN-34020 Haldex Brake Products Corporation (USA)
AC24912 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
32134 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
A24912 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
A24912 Lift Parts Mfg Co Inc Div of Echlin Mfg Co the (USA)
AC24912 Federal Mogul Corp Sub Wagner Brake Moog Automotive Div (USA)
N-20592 Haldex Brake Products Corporation (USA)
Related Parts
6130-00-240-2436INTERCHANGEABLE
CHARGER,BATTERY
39-685
5110-00-541-4961INTERCHANGEABLE
REAMER,HAND
1660-00-676-0839INTERCHANGEABLE
GUIDE,STEM,RELIEF V
22762-00
9540-01-071-1356INTERCHANGEABLE
BEAM,STRUCTURAL
4140-01-087-0359INTERCHANGEABLE
IMPELLER,FAN,AXIAL
36 FN5000A08
5962-01-124-1672INTERCHANGEABLE
MICROCIRCUIT
22762
5331-01-126-4558INTERCHANGEABLE
O-RING
22762
5305-01-145-7972INTERCHANGEABLE
SCREW,TAPPING
32134
5305-01-278-4236INTERCHANGEABLE
SCREW,MACHINE
32134
6105-01-349-6269INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
3455-01-388-9662INTERCHANGEABLE
BLADE,HOLE SAW
22762
5340-01-554-5055INTERCHANGEABLE
GRIP,HANDLE
796035

Frequently Asked Questions

What is NSN 4820-00-126-8531?

NSN 4820-00-126-8531 is a Valve,linear,directional Control, manufactured by Midland Brake Inc Div of Echlin Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-126-8531?

NSN 4820-00-126-8531 has 9 cross-referenced part numbers: 1551 (Midland Brake Inc Div of Echlin Inc), 22762 (Bendix Corp the Brake and Steering Div), KN-34020 (Haldex Brake Products Corporation), AC24912 (Lift Parts Mfg Co Inc Div of Echlin Mfg Co the), 32134 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.) and 4 more.

What NSN replaces 4820-00-126-8531?

There are 12 known substitutes for 4820-00-126-8531: 6130-00-240-2436, 5110-00-541-4961, 1660-00-676-0839 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1551?

Key specifications for 1551: Special Features: CONTAINS 6 THD NPTF PORTS,1 TRAILER SVC 1/2-14 THD,1 TRAILER-EMERGENCY PORT 1/2-14 THD,1 CONTROL VALVE-FIXED POSITION 1/4-18 THD,1 TRACTOR-SERVICE 3/8-18 THD,1 TRACTOR-EMERGENCY 3/8-18 THD,AND 1 CONTROL VALVE-MANUAL CHARGING 1/4-18 THD. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-126-8531 still in active supply?

NSN 4820-00-126-8531 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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