Seat, Valve4810-01-528-4451

NSN 4810-01-528-4451 · NIIN 015284451 · Part number 001661.825.000

Flowserve Us Company Div Flow Control Division · FSC 4810 — Valves, Powered · FSG 48 — Valves · CAGE 1J9B9

Government record, cited

NSN 4810-01-528-4451 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-528-4451. Manufacturer of record part number: 001661.825.000.

Also searched as 4810-01-528-4451 · 4810015284451 · NIIN 015284451 · 01-528-4451 · FSC 4810 Valves, Powered · CAGE 1J9B9 · 001661.825.000 · 179921.001 ITEM NO. 20

Nearby stock numbers ← 4810-01-528-4437 Valve, Globe · 4810-01-528-4468 Retainer, Seat, Valve →

4810-01-528-4451 — Valves, Powered

Features

Seat,valve — FSC 4810
Style Designator: PLAIN FLANGED
Material Document and Classification: STELLITE NO0.0.STELLITE NO0.0 316 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material: COBALT COMP 6 OVERALL
Seating Surface Shape: ANGULAR
2 manufacturer part numbers on file
Manufacturer of record: Flowserve Us Company Div Flow Control Division

Identification

NSN: 4810-01-528-4451
NIIN: 015284451
FSC: 4810 — Valves, Powered
FSG: 48 — Valves
Primary part number: 001661.825.000
Manufacturer: Flowserve Us Company Div Flow Control Division

General Description

The Seat,valve, cataloged under National Stock Number 4810-01-528-4451, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Flowserve Us Company Div Flow Control Division. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4810-01-528-4451
Primary Part Number	001661.825.000
Item Name	Seat,valve
FSC / FSG	4810 / 48 — Valves, Powered
Manufacturer	Flowserve Us Company Div Flow Control Division
Status	ACTIVE
Style Designator	PLAIN FLANGED
Material Document and Classification	STELLITE NO0.0.STELLITE NO0.0 316 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Material	COBALT COMP 6 OVERALL
Seating Surface Shape	ANGULAR

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
001661.825.000 PRIMARY	Flowserve Us Company Div Flow Control Division (USA)
179921.001 ITEM NO. 20	Flowserve Us Company Div Flow Control Division (USA)

No interchangeability data on file.

Other items in FSC 4810 — Valves, Powered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4810-00-001-1247

4810-00-001-1247 · Item name not on file

4810-00-001-4499

VALVE,SOLENOID

4810-00-001-4531

4810-00-001-4531 · Item name not on file

4810-00-001-4532

4810-00-001-4532 · Item name not on file

4810-00-001-4554

4810-00-001-4554 · Item name not on file

4810-00-001-4555

4810-00-001-4555 · Item name not on file

4810-00-001-4556

4810-00-001-4556 · Item name not on file

4810-00-001-4611

4810-00-001-4611 · Item name not on file

Frequently Asked Questions

What is NSN 4810-01-528-4451?

NSN 4810-01-528-4451 is a Seat,valve, manufactured by Flowserve Us Company Div Flow Control Division, classified under FSC 4810, Valves, Powered. Status: active.

What part numbers are listed for NSN 4810-01-528-4451?

NSN 4810-01-528-4451 has 2 manufacturer part numbers on file: 001661.825.000 (Flowserve Us Company Div Flow Control Division), 179921.001 ITEM NO. 20 (Flowserve Us Company Div Flow Control Division).

What are the specifications of 001661.825.000?

Key specifications for 001661.825.000: Style Designator: PLAIN FLANGED; Material Document and Classification: STELLITE NO0.0.STELLITE NO0.0 316 MFR REF SINGLE MATERIAL RESPONSE OVERALL; End Item Identification: 4810-01-528-4437 GLOBE VALVE 1"; Material: COBALT COMP 6 OVERALL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4810-01-528-4451 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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