PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31393CSeat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-262-7553 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-262-7553 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-262-7553. Primary manufacturer part number: 31393C.
Features
  • Seat,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-262-7553, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. This item has 4 commercial cross-references 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.

Catalog Facts
Item NameSeat,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersGriswold Industries Dba Cla-Val Co (CAGE 86184)
Technical Specifications
ParameterValue
NSN4820-01-262-7553
Primary Part Number31393C
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4720-00-287-4834LORA10-480 INTERCHANGEABLE
Hose,air Duct
Hbd Industries, Inc
5895-00-648-038231393 INTERCHANGEABLE
Receiver-Transmitter Subassembly
Pax Mfg Corp Hammarlund Mfg Co Div
2530-00-678-3481640800 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
Am General Llc
5940-00-853-36971012231-15 INTERCHANGEABLE
Terminal,lug
Lockheed Martin Corporation Div Rms - Mitchel Field
5331-01-073-311831393 INTERCHANGEABLE
O-Ring
Woodward Hrt Inc
4820-01-262-752185869G INTERCHANGEABLE
Valve,diaphragm,stop
Griswold Industries Dba Cla-Val Co
6515-01-589-6887313.93 INTERCHANGEABLE
Screwdriver,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
31393C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
31393 Griswold Industries Dba Cla-Val Co (USA)
85869 FIND 11 Griswold Industries Dba Cla-Val Co (USA)
85869 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
4720-00-287-4834INTERCHANGEABLE
HOSE,AIR DUCT
LORA10-480
5895-00-648-0382INTERCHANGEABLE
RECEIVER-TRANSMITTER SUBASSEMBLY
31393
2530-00-678-3481INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
640800
5940-00-853-3697INTERCHANGEABLE
TERMINAL,LUG
1012231-15
5331-01-073-3118INTERCHANGEABLE
O-RING
31393
4820-01-262-7521INTERCHANGEABLE
VALVE,DIAPHRAGM,STOP
85869G
6515-01-589-6887INTERCHANGEABLE
SCREWDRIVER,BONE SCREW
313.93

Frequently Asked Questions

What is NSN 4820-01-262-7553?

NSN 4820-01-262-7553 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-262-7553?

NSN 4820-01-262-7553 has 4 cross-referenced part numbers: 31393C (Griswold Industries Dba Cla-Val Co), 31393 (Griswold Industries Dba Cla-Val Co), 85869 FIND 11 (Griswold Industries Dba Cla-Val Co), 85869 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-262-7553?

There are 7 known substitutes for 4820-01-262-7553: 4720-00-287-4834, 5895-00-648-0382, 2530-00-678-3481 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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