PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E280126Plate,clutch

Bros Inc · NSN 2990-00-422-9438 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-422-9438 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-422-9438. Primary manufacturer part number: E280126.
Features
  • Plate,clutch — FSC 2990
  • General Characteristics Item Description: STEEL,PRIMED; 6.500 IN. OD; 2.075 IN. O/A W; 2.250 IN. HUD OD; 1.438 IN. HUB LG; BORE MAJOR DIA 1.330 IN. TAPERED 1.124 IN. MAINOR DIA BORE LG 2.075 IN. ATTACHMENT METHOD KEYWAY 0.188 IN. W 0.125 IN. DEPTH 2.075 IN. LG 2/6 LIGHTING HOLES HUB THD EXTERNAL 2.250-16 @UN THD SIZE 0.625 IN. THD LG IN
  • 3 verified cross-references
  • Primary manufacturer: Bros Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plate,clutch, cataloged under National Stock Number 2990-00-422-9438, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Bros Inc. Government technical data includes 1 verified specification, 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
NSN2990-00-422-9438
Primary Part NumberE280126
Item NamePlate,clutch
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerBros Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,PRIMED; 6.500 IN. OD; 2.075 IN. O/A W; 2.250 IN. HUD OD; 1.438 IN. HUB LG; BORE MAJOR DIA 1.330 IN. TAPERED 1.124 IN. MAINOR DIA BORE LG 2.075 IN. ATTACHMENT METHOD KEYWAY 0.188 IN. W 0.125 IN. DEPTH 2.075 IN. LG 2/6 LIGHTING HOLES HUB THD EXTERNAL 2.250-16 @UN THD SIZE 0.625 IN. THD LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-275-983811FM12A1-4-20X1-2 INTERCHANGEABLE
Screw,machine
Fairbanks Morse, Llc
5945-00-329-6854H23-26-5VDC INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
5950-01-043-300930016 INTERCHANGEABLE
Transformer,pulse
Data Device Corp Dba Beta Transformer Technology
5999-01-075-2650 INTERCHANGEABLE
Heater,thermal Release
4730-01-201-5303218-5 INTERCHANGEABLE
Cap,tube
Niagara Plastics L.l.c.
5999-01-222-4033 INTERCHANGEABLE
Heater,thermal Release
5950-01-262-0344 INTERCHANGEABLE
Transformer,audio Frequency
Cross-Reference Index
Part NumberManufacturer
E280126 Bros Inc
H23 Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
H23 Heavy Equipment Parts, Inc Dba Heavy Equipment Parts (USA)
Related Parts
5305-00-275-9838INTERCHANGEABLE
SCREW,MACHINE
11FM12A1-4-20X1-2
5945-00-329-6854INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
H23-26-5VDC
5950-01-043-3009INTERCHANGEABLE
TRANSFORMER,PULSE
30016
5999-01-075-2650INTERCHANGEABLE
HEATER,THERMAL RELEASE
4730-01-201-5303INTERCHANGEABLE
CAP,TUBE
218-5
5999-01-222-4033INTERCHANGEABLE
HEATER,THERMAL RELEASE
5950-01-262-0344INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY

Frequently Asked Questions

What is NSN 2990-00-422-9438?

NSN 2990-00-422-9438 is a Plate,clutch, manufactured by Bros Inc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-422-9438?

NSN 2990-00-422-9438 has 3 cross-referenced part numbers: E280126 (Bros Inc), H23 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), H23 (Heavy Equipment Parts, Inc Dba Heavy Equipment Parts).

What NSN replaces 2990-00-422-9438?

There are 7 known substitutes for 2990-00-422-9438: 5305-00-275-9838, 5945-00-329-6854, 5950-01-043-3009 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E280126?

Key specifications for E280126: General Characteristics Item Description: STEEL,PRIMED; 6.500 IN. OD; 2.075 IN. O/A W; 2.250 IN. HUD OD; 1.438 IN. HUB LG; BORE MAJOR DIA 1.330 IN. TAPERED 1.124 IN. MAINOR DIA BORE LG 2.075 IN. ATTACHMENT METHOD KEYWAY 0.188 IN. W 0.125 IN. DEPTH 2.075 IN. LG 2/6 LIGHTING HOLES HUB THD EXTERNAL 2.250-16 @UN THD SIZE 0.625 IN. THD LG IN. 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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