PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GD511SHead and Disk,safety,pressure Re

Northrop Grumman Systems Corporation · NSN 4820-01-629-3233 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-629-3233 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-629-3233. Primary manufacturer part number: GD511S.
Features
  • Head and Disk,safety,pressure Re — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Head and Disk,safety,pressure Re, cataloged under National Stock Number 4820-01-629-3233, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Northrop Grumman Systems Corporation. This item has 3 commercial cross-references from 3 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
NSN4820-01-629-3233
Primary Part NumberGD511S
Item NameHead and Disk,safety,pressure Re
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3010-00-125-86326460011 INTERCHANGEABLE
Gear Assembly,speed Increaser
Ed Etnyre & Co
1680-00-400-826218601 INTERCHANGEABLE
Indicator,red Disk
Meggitt Safety Systems Inc
1680-00-485-4467922315 INTERCHANGEABLE
Indicator,special
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5950-00-583-4536 INTERCHANGEABLE
Transformer,radio Frequency
7510-00-687-26642664A INTERCHANGEABLE
Envelope,transparent
Safina Office Products, Inc. Dba Safina Office Products Inc
1680-00-780-456718602 INTERCHANGEABLE
Indicator,discharge
Meggitt Safety Systems Inc
5330-01-125-1255NB41860181 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
3120-01-126-373218-601 INTERCHANGEABLE
Bearing,washer,thrust
Cunico Corporation
5961-01-439-2351922315 INTERCHANGEABLE
Transistor
Fluke Corp
5355-01-503-595218601 INTERCHANGEABLE
Knob
Applied Resources Corp
Cross-Reference Index
Part NumberManufacturer
18601 Meggitt Safety Systems Inc (USA)
GD511S PRIMARY Northrop Grumman Systems Corporation (USA)
922315 Kidde-Fenwal, Llc (USA)
Related Parts
3010-00-125-8632INTERCHANGEABLE
GEAR ASSEMBLY,SPEED INCREASER
6460011
1680-00-400-8262INTERCHANGEABLE
INDICATOR,RED DISK
18601
1680-00-485-4467INTERCHANGEABLE
INDICATOR,SPECIAL
922315
5950-00-583-4536INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7510-00-687-2664INTERCHANGEABLE
ENVELOPE,TRANSPARENT
2664A
1680-00-780-4567INTERCHANGEABLE
INDICATOR,DISCHARGE
18602
5330-01-125-1255INTERCHANGEABLE
GASKET
NB41860181
3120-01-126-3732INTERCHANGEABLE
BEARING,WASHER,THRUST
18-601
5961-01-439-2351INTERCHANGEABLE
TRANSISTOR
922315
5355-01-503-5952INTERCHANGEABLE
KNOB
18601
5120-01-509-3203INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
18601
5120-01-562-6828INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
18601

Frequently Asked Questions

What is NSN 4820-01-629-3233?

NSN 4820-01-629-3233 is a Head and Disk,safety,pressure Re, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-629-3233?

NSN 4820-01-629-3233 has 3 cross-referenced part numbers: 18601 (Meggitt Safety Systems Inc), GD511S (Northrop Grumman Systems Corporation), 922315 (Kidde-Fenwal, Llc).

What NSN replaces 4820-01-629-3233?

There are 12 known substitutes for 4820-01-629-3233: 3010-00-125-8632, 1680-00-400-8262, 1680-00-485-4467 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GD511S?

Key specifications for GD511S: End Item Identification: CABLE ASSEMBLY; Part Name Assigned by Controlling Agency: DISC ASSEMBLY, BURST. 2 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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