PartsTable TECHNICAL DATA SHEET

NSN 4820-01-078-9453Government record, cited

Valve, Safety Relief4820-01-078-9453

NSN 4820-01-078-9453 · NIIN 010789453 · Part number 8455363

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

Government record, cited

NSN 4820-01-078-9453 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-078-9453. Manufacturer of record part number: 8455363.

Also searched as 4820-01-078-9453 · 4820010789453 · NIIN 010789453 · 01-078-9453 · FSC 4820 Valves, Nonpowered · CAGE 18876 · 8455363 · 5332T-8BB(L)-7000 · 3304576-1

Nearby stock numbers ← 4820-01-078-9452 Valve, Safety Relief · 4820-01-078-9915 Valve, Gate →

4820-01-078-9453 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Us Army Aviation and Missile Command

Identification

NSN: 4820-01-078-9453
NIIN: 010789453
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8455363
Manufacturer: Us Army Aviation and Missile Command

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-078-9453, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Us Army Aviation and Missile Command. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Valve,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Us Army Aviation and Missile Command (CAGE 18876)

Technical Specifications

Parameter	Value
NSN	4820-01-078-9453
Primary Part Number	8455363
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Us Army Aviation and Missile Command
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
8455363 PRIMARY	Us Army Aviation and Missile Command (USA)

Reference documents

Reference	Meaning
5332T-8BB(L)-7000	3/2 Design control — primary reference U.S. Government activity
3304576-1	5/9 Secondary reference U.S. Government activity

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 4820-01-078-9453?

NSN 4820-01-078-9453 is a Valve,safety Relief, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-078-9453?

NSN 4820-01-078-9453 has 1 manufacturer part number on file: 8455363 (Us Army Aviation and Missile Command).

Is NSN 4820-01-078-9453 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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