PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8756Seat,valve

Benbow Mfg Corp · NSN 4820-00-404-5359 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-404-5359 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-404-5359. Primary manufacturer part number: 8756.
Features
  • Seat,valve — FSC 4820
  • Surface Treatment: ALUMINUM OVERALL
  • Seating Surface Shape: ANGULAR
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Flange Seat to Disk End Height: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
  • Under Flange Height: 0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
  • Body Outside Diameter: 0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
  • Seat Angle in Deg: 30.000 NOMINAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-404-5359, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Benbow Mfg Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-00-404-5359
Primary Part Number8756
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBenbow Mfg Corp
StatusACTIVE
Surface TreatmentALUMINUM OVERALL
Seating Surface ShapeANGULAR
MaterialALUMINUM ALLOY 2024 OVERALL
Flange Seat to Disk End Height0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN
Under Flange Height0.332 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Body Outside Diameter0.561 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Seat Angle in Deg30.000 NOMINAL
Body Inside Diameter0.343 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Flange Diameter0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5306-00-147-65098756 INTERCHANGEABLE
Bolt,machine
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5998-00-166-7708247AS38-124-001 INTERCHANGEABLE
Circuit Card Assembly
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5310-01-077-9746 INTERCHANGEABLE
Washer,flat
5935-01-125-5499 INTERCHANGEABLE
Connector,plug,electrical
4110-01-144-37928756 INTERCHANGEABLE
Ice Cream Maker,soft Serve,mecha
Taylor Enterprises of VA, Llc Dba Taylor Freezer Sales Company Div Taylor Enterprises of VA Llc D/b/a Taylor Freezer Sales Co
6510-01-153-45347832 INTERCHANGEABLE
Gauze,absorbent,iodoform Impregn
Cardinal Health 200, Llc
6250-01-262-0150 INTERCHANGEABLE
Lampholder
Cross-Reference Index
Part NumberManufacturer
8756 Benbow Mfg Corp (USA)
Related Parts
5306-00-147-6509INTERCHANGEABLE
BOLT,MACHINE
8756
5998-00-166-7708INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
247AS38-124-001
5310-01-077-9746INTERCHANGEABLE
WASHER,FLAT
5935-01-125-5499INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
4110-01-144-3792INTERCHANGEABLE
ICE CREAM MAKER,SOFT SERVE,MECHA
8756
6510-01-153-4534INTERCHANGEABLE
GAUZE,ABSORBENT,IODOFORM IMPREGN
7832
6250-01-262-0150INTERCHANGEABLE
LAMPHOLDER

Frequently Asked Questions

What is NSN 4820-00-404-5359?

NSN 4820-00-404-5359 is a Seat,valve, manufactured by Benbow Mfg Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-404-5359?

NSN 4820-00-404-5359 has 1 cross-referenced part number: 8756 (Benbow Mfg Corp).

What NSN replaces 4820-00-404-5359?

There are 7 known substitutes for 4820-00-404-5359: 5306-00-147-6509, 5998-00-166-7708, 5310-01-077-9746 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8756?

Key specifications for 8756: Surface Treatment: ALUMINUM OVERALL; Seating Surface Shape: ANGULAR; Material: ALUMINUM ALLOY 2024 OVERALL; Flange Seat to Disk End Height: 0.096 INCHES MINIMUM AND 0.102 INCHES MAXIMUM IN. 9 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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