PartsTable TECHNICAL DATA SHEET

NSN 4820-01-691-8463Government record, cited

Seat, Valve4820-01-691-8463

NSN 4820-01-691-8463 · NIIN 016918463 · Part number T14055T0022

Cornerstone Controls, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 9S196

Government record, cited

NSN 4820-01-691-8463 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-691-8463. Manufacturer of record part number: T14055T0022.

Also searched as 4820-01-691-8463 · 4820016918463 · NIIN 016918463 · 01-691-8463 · FSC 4820 Valves, Nonpowered · CAGE 9S196 · T14055T0022

Nearby stock numbers ← 4820-01-691-8368 Valve, Angle · 4820-01-691-8475 Guide, Valve Stem →

4820-01-691-8463 — Valves, Nonpowered

Features

Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Cornerstone Controls, Inc.

Identification

NSN: 4820-01-691-8463
NIIN: 016918463
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T14055T0022
Manufacturer: Cornerstone Controls, Inc.

General Description

The Seat,valve, cataloged under National Stock Number 4820-01-691-8463, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cornerstone Controls, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-691-8463
Primary Part Number	T14055T0022
Item Name	Seat,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Cornerstone Controls, Inc.
Status	ACTIVE

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
T14055T0022 PRIMARY	Cornerstone Controls, Inc. (USA)

Reference documents

Reference	Meaning
T14055T0022	3/9 Design control — primary reference Fisher Controls Co Inc

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

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

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-691-8463?

NSN 4820-01-691-8463 is a Seat,valve, manufactured by Cornerstone Controls, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-691-8463?

NSN 4820-01-691-8463 has 1 manufacturer part number on file: T14055T0022 (Cornerstone Controls, Inc.).

What are the specifications of T14055T0022?

Key specifications for T14055T0022: Special Features: MATERIAL IS FLUROCARBON (FKM); Part Name Assigned by Controlling Agency: SOFT SEAT; End Item Identification: VALVE,SWITCH. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-691-8463 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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