PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

000991698-000-005Seat,valve

Waukesha Bearings Corporation · NSN 4820-01-282-1721 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-282-1721 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-282-1721. Primary manufacturer part number: 000991698-000-005.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN FLANGED
  • 2 verified cross-references
  • Primary manufacturer: Waukesha Bearings Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-282-1721, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Waukesha Bearings Corporation. Government technical data includes 2 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-282-1721
Primary Part Number000991698-000-005
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWaukesha Bearings Corporation
StatusACTIVE
Seating Surface ShapeFLAT
Style DesignatorPLAIN FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-281-4377 INTERCHANGEABLE
Valve,vent
4820-01-281-5292000991698-000-004 INTERCHANGEABLE
Float,valve
Waukesha Bearings Corporation
4730-01-281-9400 INTERCHANGEABLE
Strainer Element,sediment
Cross-Reference Index
Part NumberManufacturer
000991698 Waukesha Bearings Corporation (USA)
000991698-000-005 PRIMARY Waukesha Bearings Corporation (USA)
Related Parts
4820-01-281-4377INTERCHANGEABLE
VALVE,VENT
4820-01-281-5292INTERCHANGEABLE
FLOAT,VALVE
000991698-000-004
4730-01-281-9400INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT

Frequently Asked Questions

What is NSN 4820-01-282-1721?

NSN 4820-01-282-1721 is a Seat,valve, manufactured by Waukesha Bearings Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-282-1721?

NSN 4820-01-282-1721 has 2 cross-referenced part numbers: 000991698 (Waukesha Bearings Corporation), 000991698-000-005 (Waukesha Bearings Corporation).

What NSN replaces 4820-01-282-1721?

There are 3 known substitutes for 4820-01-282-1721: 4820-01-281-4377, 4820-01-281-5292, 4730-01-281-9400. Verify interchangeability with system specifications before substitution.

What are the specifications of 000991698-000-005?

Key specifications for 000991698-000-005: End Item Identification: LOGISTICS SUPPORT VESSEL; Seating Surface Shape: FLAT; Style Designator: PLAIN FLANGED. 3 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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