PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1779-Z-156Seat,insert

Meritor Heavy Vehicle Systems, Llc · NSN 2530-00-255-5148 · FSC 2530 · No Item Name Available
Verified by PartsTable
NSN 2530-00-255-5148 — this item is cataloged by the U.S. Government under National Stock Number 2530-00-255-5148. Primary manufacturer part number: 1779-Z-156.
Features
  • Seat,insert — FSC 2530
  • General Characteristics Item Description: BRASS;0.374 IN.LARGEST OD;0.191 IN.SMALLEST ID;0.110 IN.ID;0.388 IN.LG;42.0 SEAT ANGLE;ITEM IS DESIGNED TO BE PRESSED IN TO THD INTERAL PORT TO FROM INVERTED FLARE SEAT USED IN HYDRAULIC BRAKE CYLINDER IN
  • 5 verified cross-references
  • Primary manufacturer: Meritor Heavy Vehicle Systems, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Seat,insert, cataloged under National Stock Number 2530-00-255-5148, is classified within Federal Supply Class 2530 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2530-00-255-5148
Primary Part Number1779-Z-156
Item NameSeat,insert
FSC / FSG2530 / 25 — No Item Name Available
ManufacturerMeritor Heavy Vehicle Systems, Llc
StatusCANCELLED
General Characteristics Item DescriptionBRASS;0.374 IN.LARGEST OD;0.191 IN.SMALLEST ID;0.110 IN.ID;0.388 IN.LG;42.0 SEAT ANGLE;ITEM IS DESIGNED TO BE PRESSED IN TO THD INTERAL PORT TO FROM INVERTED FLARE SEAT USED IN HYDRAULIC BRAKE CYLINDER IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5920-00-280-9530AGA20 INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
4730-00-289-0382 INTERCHANGEABLE
Adapter,straight,pipe to Tube
2520-01-573-2772RF19611NFEF10780 INTERCHANGEABLE
Axle Assembly,automotive,driving
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
12505609 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
1779-Z-156 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
1779Z156 Rockwell International Corp Industrial Products Group (USA)
218454 Cadillac Gage Textron Inc. (USA)
17792156 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
5920-00-280-9530INTERCHANGEABLE
FUSE,CARTRIDGE
AGA20
4730-00-289-0382INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
2520-01-573-2772INTERCHANGEABLE
AXLE ASSEMBLY,AUTOMOTIVE,DRIVING
RF19611NFEF10780

Frequently Asked Questions

What is NSN 2530-00-255-5148?

NSN 2530-00-255-5148 is a Seat,insert, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2530 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2530-00-255-5148?

NSN 2530-00-255-5148 has 5 cross-referenced part numbers: 12505609 (U S Army Tank Automotive Command Amsta-Im-Mm), 1779-Z-156 (Meritor Heavy Vehicle Systems, Llc), 1779Z156 (Rockwell International Corp Industrial Products Group), 218454 (Cadillac Gage Textron Inc.), 17792156 (Meritor Heavy Vehicle Systems, Llc).

What NSN replaces 2530-00-255-5148?

There are 3 known substitutes for 2530-00-255-5148: 5920-00-280-9530, 4730-00-289-0382, 2520-01-573-2772. Verify interchangeability with system specifications before substitution.

What are the specifications of 1779-Z-156?

Key specifications for 1779-Z-156: General Characteristics Item Description: BRASS;0.374 IN.LARGEST OD;0.191 IN.SMALLEST ID;0.110 IN.ID;0.388 IN.LG;42.0 SEAT ANGLE;ITEM IS DESIGNED TO BE PRESSED IN TO THD INTERAL PORT TO FROM INVERTED FLARE SEAT USED IN HYDRAULIC BRAKE CYLINDER IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2530-00-255-5148 still in active supply?

NSN 2530-00-255-5148 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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