PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16681Seat,valve

Mission Systems Orchard Park Inc · NSN 4810-00-980-2957 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-980-2957 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-980-2957. Primary manufacturer part number: 16681.
Features
  • Seat,valve — FSC 4810
  • Seating Surface Shape: FLAT
  • Material: COPPER ALLOY OVERALL
  • Style Designator: PLAIN FLANGED
  • 2 verified cross-references
  • Primary manufacturer: Mission Systems Orchard Park Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-980-2957, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mission Systems Orchard Park Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-980-2957
Primary Part Number16681
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMission Systems Orchard Park Inc
StatusACTIVE
Seating Surface ShapeFLAT
MaterialCOPPER ALLOY OVERALL
Style DesignatorPLAIN FLANGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5360-00-057-850316681 INTERCHANGEABLE
Spring,table,shirt
Unipress Corporation
5315-00-282-303016681 INTERCHANGEABLE
Pin,straight,headless
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5940-00-583-5959012-2000-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5310-01-047-770016681 INTERCHANGEABLE
Nut,plain,hexagon
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-567-3785 INTERCHANGEABLE
Adapter and Flange Assembly
6515-01-589-0673324.170 INTERCHANGEABLE
Guide,plate,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
16681 Ingersoll-Rand Company Dba Ingersoll-Rand (USA)
16681 PRIMARY Mission Systems Orchard Park Inc (USA)
Related Parts
5360-00-057-8503INTERCHANGEABLE
SPRING,TABLE,SHIRT
16681
5315-00-282-3030INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
16681
5940-00-583-5959INTERCHANGEABLE
TERMINAL,FEEDTHRU
012-2000-00-0-479
5310-01-047-7700INTERCHANGEABLE
NUT,PLAIN,HEXAGON
16681
4730-01-567-3785INTERCHANGEABLE
ADAPTER AND FLANGE ASSEMBLY
6515-01-589-0673INTERCHANGEABLE
GUIDE,PLATE,BONE
324.170

Frequently Asked Questions

What is NSN 4810-00-980-2957?

NSN 4810-00-980-2957 is a Seat,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-980-2957?

NSN 4810-00-980-2957 has 2 cross-referenced part numbers: 16681 (Ingersoll-Rand Company Dba Ingersoll-Rand), 16681 (Mission Systems Orchard Park Inc).

What NSN replaces 4810-00-980-2957?

There are 6 known substitutes for 4810-00-980-2957: 5360-00-057-8503, 5315-00-282-3030, 5940-00-583-5959 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16681?

Key specifications for 16681: Seating Surface Shape: FLAT; Material: COPPER ALLOY OVERALL; 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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