PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21008684-069000Disc Plate,valve

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-01-177-8767 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-177-8767 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-177-8767. Primary manufacturer part number: 21008684-069000.
Features
  • Disc Plate,valve — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • 5 verified cross-references
  • Primary manufacturer: William Powell Company, the Dba Powell Valve Div the Starflo Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disc Plate,valve, cataloged under National Stock Number 4820-01-177-8767, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-177-8767
Primary Part Number21008684-069000
Item NameDisc Plate,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5136-00-228-1034 INTERCHANGEABLE
Tap,thread Cutting
8040-01-361-3132 INTERCHANGEABLE
Primer,adhesive
Cross-Reference Index
Part NumberManufacturer
21008684-069000 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
08684CP Naval Inventory Control Point Mechanicsburg (USA)
D-68376 PIECE 21CP William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
610086840690000 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
08684 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5136-00-228-1034INTERCHANGEABLE
TAP,THREAD CUTTING
8040-01-361-3132INTERCHANGEABLE
PRIMER,ADHESIVE

Frequently Asked Questions

What is NSN 4820-01-177-8767?

NSN 4820-01-177-8767 is a Disc Plate,valve, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-177-8767?

NSN 4820-01-177-8767 has 5 cross-referenced part numbers: 21008684-069000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 08684CP (Naval Inventory Control Point Mechanicsburg), D-68376 PIECE 21CP (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 610086840690000 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation), 08684 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-01-177-8767?

There are 2 known substitutes for 4820-01-177-8767: 5136-00-228-1034, 8040-01-361-3132. Verify interchangeability with system specifications before substitution.

What are the specifications of 21008684-069000?

Key specifications for 21008684-069000: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330. 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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