PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C1507HSeat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-00-098-5324 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-098-5324 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-098-5324. Primary manufacturer part number: C1507H.
Features
  • Seat,valve — FSC 4820
  • Material: STEEL OVERALL
  • Thread Length: 0.168 INCHES MINIMUM AND 0.198 INCHES MAXIMUM SINGLE THREADED PORTION IN
  • Body Inside Diameter: 0.500 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Thread Series Designator: UNF SINGLE THREADED PORTION
  • Seat Angle in Deg: 9.000 MINIMUM AND 11.000 MAXIMUM
  • Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-098-5324, 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. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-098-5324
Primary Part NumberC1507H
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusCANCELLED
MaterialSTEEL OVERALL
Thread Length0.168 INCHES MINIMUM AND 0.198 INCHES MAXIMUM SINGLE THREADED PORTION IN
Body Inside Diameter0.500 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
Thread Series DesignatorUNF SINGLE THREADED PORTION
Seat Angle in Deg9.000 MINIMUM AND 11.000 MAXIMUM
Flange Seat to Disk End Height0.250 INCHES NOMINAL IN
Material Document and ClassificationFED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL
Flange Diameter1.000 INCHES NOMINAL IN
Under Flange Height0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Style DesignatorTHREADED FLANGED
Nominal Thread Size0.875 INCHES SINGLE THREADED PORTION IN
Thread Class2A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4940-00-168-2173 INTERCHANGEABLE
Blast Cleaning Machine
4820-00-216-9017C3125G INTERCHANGEABLE
Seat,valve
Griswold Industries Dba Cla-Val Co
5950-00-646-2856 INTERCHANGEABLE
Reactor
5930-01-217-9171C1507 INTERCHANGEABLE
Switch,push-Pull
Borgwarner Pds (anderson), L.l.c.
3130-01-342-2629 INTERCHANGEABLE
Housing,bearing Unit
5340-01-357-7255C1507 INTERCHANGEABLE
Handle,manual Control
Unicorp.
Cross-Reference Index
Part NumberManufacturer
C1507H PRIMARY Griswold Industries Dba Cla-Val Co (USA)
C1507 PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
4940-00-168-2173INTERCHANGEABLE
BLAST CLEANING MACHINE
4820-00-216-9017INTERCHANGEABLE
SEAT,VALVE
C3125G
5950-00-646-2856INTERCHANGEABLE
REACTOR
5930-01-217-9171INTERCHANGEABLE
SWITCH,PUSH-PULL
C1507
3130-01-342-2629INTERCHANGEABLE
HOUSING,BEARING UNIT
5340-01-357-7255INTERCHANGEABLE
HANDLE,MANUAL CONTROL
C1507

Frequently Asked Questions

What is NSN 4820-00-098-5324?

NSN 4820-00-098-5324 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-098-5324?

NSN 4820-00-098-5324 has 2 cross-referenced part numbers: C1507H (Griswold Industries Dba Cla-Val Co), C1507 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-098-5324?

There are 6 known substitutes for 4820-00-098-5324: 4940-00-168-2173, 4820-00-216-9017, 5950-00-646-2856 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C1507H?

Key specifications for C1507H: Material: STEEL OVERALL; Thread Length: 0.168 INCHES MINIMUM AND 0.198 INCHES MAXIMUM SINGLE THREADED PORTION IN; Body Inside Diameter: 0.500 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-098-5324 still in active supply?

NSN 4820-00-098-5324 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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