Disk, Valve4820-01-462-2545

NSN 4820-01-462-2545 · NIIN 014622545 · Part number 803-2177141-4XX-27B

Naval Sea Systems Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 53711

Government record, cited

NSN 4820-01-462-2545 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-462-2545. Manufacturer of record part number: 803-2177141-4XX-27B.

Also searched as 4820-01-462-2545 · 4820014622545 · NIIN 014622545 · 01-462-2545 · FSC 4820 Valves, Nonpowered · CAGE 53711 · 803-2177141-4XX-27B

Nearby stock numbers ← 4820-01-462-2538 Valve, Gate · 4820-01-462-2546 Valve, Gate →

4820-01-462-2545 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Pressure Rating: 2160.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Shoulder Width: 0.563 INCHES NOMINAL IN
Temp Rating: 775.0 FAHRENHEIT NOMINAL DEGF
Outside Diameter: 3.875 INCHES NOMINAL IN
Style Designator: PLUG
Seat Angle: 0.250 RADIANS NOMINAL
Material: STEEL

Identification

NSN: 4820-01-462-2545
NIIN: 014622545
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 803-2177141-4XX-27B
Manufacturer: Naval Sea Systems Command

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-462-2545, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-462-2545
Primary Part Number	803-2177141-4XX-27B
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Naval Sea Systems Command
Status	ACTIVE
Pressure Rating	2160.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Shoulder Width	0.563 INCHES NOMINAL IN
Temp Rating	775.0 FAHRENHEIT NOMINAL DEGF
Outside Diameter	3.875 INCHES NOMINAL IN
Style Designator	PLUG
Seat Angle	0.250 RADIANS NOMINAL
Material	STEEL

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
803-2177141-4XX-27B PRIMARY	Naval Sea Systems Command (USA)

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 4820-01-462-2545?

NSN 4820-01-462-2545 is a Disk,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-462-2545?

NSN 4820-01-462-2545 has 1 manufacturer part number on file: 803-2177141-4XX-27B (Naval Sea Systems Command).

What are the specifications of 803-2177141-4XX-27B?

Key specifications for 803-2177141-4XX-27B: Overall Height: 4.426 INCHES NOMINAL IN; Pressure Rating: 2160.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Shoulder Width: 0.563 INCHES NOMINAL IN; Temp Rating: 775.0 FAHRENHEIT NOMINAL DEGF. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-462-2545 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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