Disk, Rupturable4820-01-475-7422

NSN 4820-01-475-7422 · NIIN 014757422 · Part number 11450099-3

Us Army Aviation and Missile Command · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 18876

Government record, cited

NSN 4820-01-475-7422 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-475-7422. Manufacturer of record part number: 11450099-3.

Also searched as 4820-01-475-7422 · 4820014757422 · NIIN 014757422 · 01-475-7422 · FSC 4820 Valves, Nonpowered · CAGE 18876 · 11450099-3 · 91P166 · 11450099

Nearby stock numbers ← 4820-01-475-7330 Cock, Plug · 4820-01-475-7492 Valve, Regulating, Fluid Pressure →

4820-01-475-7422 — Valves, Nonpowered

Features

Disk,rupturable — FSC 4820
Disk Material: STEEL COMP 304
Specification/standard Data: 18876-MIS-31403 GOVERNMENT SPECIFICATION
Cross-Sectional Shape: FLAT
Disk Size: 1.437 INCHES IN
3 manufacturer part numbers on file
Manufacturer of record: Us Army Aviation and Missile Command

Identification

NSN: 4820-01-475-7422
NIIN: 014757422
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 11450099-3
Manufacturer: Us Army Aviation and Missile Command

General Description

The Disk,rupturable, cataloged under National Stock Number 4820-01-475-7422, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 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	4820-01-475-7422
Primary Part Number	11450099-3
Item Name	Disk,rupturable
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Us Army Aviation and Missile Command
Status	ACTIVE
Disk Material	STEEL COMP 304
Specification/standard Data	18876-MIS-31403 GOVERNMENT SPECIFICATION
Cross-Sectional Shape	FLAT
Disk Size	1.437 INCHES IN

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
11450099-3 PRIMARY	Us Army Aviation and Missile Command (USA)
91P166	Pressure Specialties Incorporated (USA)
11450099	Us Army Aviation and Missile 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 4820-01-475-7422?

NSN 4820-01-475-7422 is a Disk,rupturable, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-475-7422?

NSN 4820-01-475-7422 has 3 manufacturer part numbers on file: 11450099-3 (Us Army Aviation and Missile Command), 91P166 (Pressure Specialties Incorporated), 11450099 (Us Army Aviation and Missile Command).

What are the specifications of 11450099-3?

Key specifications for 11450099-3: Disk Material: STEEL COMP 304; Specification/standard Data: 18876-MIS-31403 GOVERNMENT SPECIFICATION; Cross-Sectional Shape: FLAT; Special Features: NHA 10250727, SLOT ORIENTATION IS OPTIONAL. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-475-7422 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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