PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51132Seat,valve

Pti Technologies Inc. · NSN 4820-00-511-0034 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-511-0034 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-511-0034. Primary manufacturer part number: 51132.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 0.386 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
  • Style Designator: PLAIN FLANGED
  • Body Inside Diameter: 0.111 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
  • Under Flange Height: 0.093 INCHES NOMINAL IN
  • Flange Diameter: 0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
  • Flange Seat to Disk End Height: 0.094 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-511-0034, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pti Technologies Inc.. Government technical data includes 6 verified specifications, 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
NSN4820-00-511-0034
Primary Part Number51132
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPti Technologies Inc.
StatusACTIVE
Body Outside Diameter0.386 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN
Style DesignatorPLAIN FLANGED
Body Inside Diameter0.111 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Under Flange Height0.093 INCHES NOMINAL IN
Flange Diameter0.497 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
Flange Seat to Disk End Height0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6625-00-098-48478899390 INTERCHANGEABLE
Resonator,tuning Fork
Us Army Aviation and Missile Command
5305-00-298-8573SCB70014 INTERCHANGEABLE
Screw,machine
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3110-00-554-3232204S INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5342-00-689-351651132-125D INTERCHANGEABLE
Flange,special
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
6220-00-897-5856920110 INTERCHANGEABLE
Lens,light
Betts Industries, Inc.
4730-00-919-059655833-250-6C INTERCHANGEABLE
Adapter,straight,flange to Tube
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4730-00-919-357651132-100D INTERCHANGEABLE
Adapter,straight,flange to Tube
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
Cross-Reference Index
Part NumberManufacturer
51132 PRIMARY Pti Technologies Inc. (USA)
51132 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
51132 Vacco Industries (USA)
Related Parts
6625-00-098-4847INTERCHANGEABLE
RESONATOR,TUNING FORK
8899390
5305-00-298-8573INTERCHANGEABLE
SCREW,MACHINE
SCB70014
3110-00-554-3232INTERCHANGEABLE
BEARING,BALL,ANNULAR
204S
5342-00-689-3516INTERCHANGEABLE
FLANGE,SPECIAL
51132-125D
6220-00-897-5856INTERCHANGEABLE
LENS,LIGHT
920110
4730-00-919-0596INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO TUBE
55833-250-6C
4730-00-919-3576INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO TUBE
51132-100D

Frequently Asked Questions

What is NSN 4820-00-511-0034?

NSN 4820-00-511-0034 is a Seat,valve, manufactured by Pti Technologies Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-511-0034?

NSN 4820-00-511-0034 has 3 cross-referenced part numbers: 51132 (Pti Technologies Inc.), 51132 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 51132 (Vacco Industries).

What NSN replaces 4820-00-511-0034?

There are 7 known substitutes for 4820-00-511-0034: 6625-00-098-4847, 5305-00-298-8573, 3110-00-554-3232 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51132?

Key specifications for 51132: Body Outside Diameter: 0.386 INCHES MINIMUM AND 0.388 INCHES MAXIMUM IN; Style Designator: PLAIN FLANGED; Body Inside Diameter: 0.111 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN; Under Flange Height: 0.093 INCHES NOMINAL IN. 6 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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