PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GB850AD1Plate,mounting

Northrop Grumman Systems Corporation · NSN 5905-00-957-1998 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-957-1998 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-957-1998. Primary manufacturer part number: GB850AD1.
Features
  • Plate,mounting — FSC 5905
  • Material: STEEL CORROSION RESISTING
  • Surface Treatment: PASSIVATE
  • 12 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Plate,mounting, cataloged under National Stock Number 5905-00-957-1998, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 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
NSN5905-00-957-1998
Primary Part NumberGB850AD1
Item NamePlate,mounting
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING
Surface TreatmentPASSIVATE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-278-03255120-00-278-0325 INTERCHANGEABLE
Screw Starter,hand
General Services Administration Federal Supply Service
5340-00-533-6946 INTERCHANGEABLE
Strap,retaining
5985-00-581-7756A-174-4 INTERCHANGEABLE
Support,waveguide
Burke Products Inc
5999-00-761-8703H25 INTERCHANGEABLE
Heater,thermal Release
Siemens Energy and Automation Inc Siemens Furnas Controls Div
5950-00-834-246443001099-000 INTERCHANGEABLE
Transformer,audio Frequency
Dne Technologies, Inc
4730-00-868-51928C3-4 INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
5977-00-880-1537H25 INTERCHANGEABLE
Holder,electrical Contact Brush
Arriflex Corp
4940-01-073-4853H25C-1N-6-N-E-P3 INTERCHANGEABLE
Leak Detector,refrigerant Gas
Bacharach, Inc.
5950-01-104-4443 INTERCHANGEABLE
Transformer,audio Frequency
8105-01-122-7394H-25 INTERCHANGEABLE
Bag,plastic
Automated Packaging Systems Inc
Cross-Reference Index
Part NumberManufacturer
GB850AD1 Northrop Grumman Systems Corporation (USA)
6054268 Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
6054268 International Business Machines Corporation Dba IBM (USA)
1493997-0000 Honeywell Intl Inc Defense Avionics Systems (USA)
11074282 Us Army Aviation and Missile Command (USA)
381-1446-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
62A114B73 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
6054268 International Business Machines Corp Parts Order Center Dept E - 54 (USA)
H25 Bourns Inc (USA)
12-565-20-001 Northrop Grumman Systems Corporation (USA)
G237-034-001 Kearfott Corporation Div Guidance and Navigation Division (USA)
H-25 Bourns Instruments Inc (USA)
Related Parts
5120-00-278-0325INTERCHANGEABLE
SCREW STARTER,HAND
5120-00-278-0325
5340-00-533-6946INTERCHANGEABLE
STRAP,RETAINING
5985-00-581-7756INTERCHANGEABLE
SUPPORT,WAVEGUIDE
A-174-4
5999-00-761-8703INTERCHANGEABLE
HEATER,THERMAL RELEASE
H25
5950-00-834-2464INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
43001099-000
4730-00-868-5192INTERCHANGEABLE
TRAP,STEAM
8C3-4
5977-00-880-1537INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
H25
4940-01-073-4853INTERCHANGEABLE
LEAK DETECTOR,REFRIGERANT GAS
H25C-1N-6-N-E-P3
5950-01-104-4443INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
8105-01-122-7394INTERCHANGEABLE
BAG,PLASTIC
H-25
5999-01-374-7999INTERCHANGEABLE
HEATER,THERMAL RELEASE
D-WK-756-20 ITEM 6
6350-01-381-7280INTERCHANGEABLE
HORN,SIGNAL
H25

Frequently Asked Questions

What is NSN 5905-00-957-1998?

NSN 5905-00-957-1998 is a Plate,mounting, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-957-1998?

NSN 5905-00-957-1998 has 12 cross-referenced part numbers: GB850AD1 (Northrop Grumman Systems Corporation), 6054268 (Lockheed Martin Corporation Div Rotary and Mission Systems), 6054268 (International Business Machines Corporation Dba IBM), 1493997-0000 (Honeywell Intl Inc Defense Avionics Systems), 11074282 (Us Army Aviation and Missile Command) and 7 more.

What NSN replaces 5905-00-957-1998?

There are 12 known substitutes for 5905-00-957-1998: 5120-00-278-0325, 5340-00-533-6946, 5985-00-581-7756 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GB850AD1?

Key specifications for GB850AD1: Special Features: HOLDS ITEM BY MEANS OF 2 MTG HOLES ONE AT EA END.TWO 0.093 IN. MTG HOLESON 0.520 IN. MTG CENTERS. IN; Material: STEEL CORROSION RESISTING; Surface Treatment: PASSIVATE. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-957-1998 still in active supply?

NSN 5905-00-957-1998 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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