PartsTable TECHNICAL DATA SHEET

NSN 4820-01-458-8478Government record, cited

Valve, Vent4820-01-458-8478

NSN 4820-01-458-8478 · NIIN 014588478 · Part number 770RPM02

Ultralife Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0UU59

Government record, cited

NSN 4820-01-458-8478 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-458-8478. Manufacturer of record part number: 770RPM02.

Also searched as 4820-01-458-8478 · 4820014588478 · NIIN 014588478 · 01-458-8478 · FSC 4820 Valves, Nonpowered · CAGE 0UU59 · 770RPM02

Nearby stock numbers ← 4820-01-458-8475 Hand, Valve Assy · 4820-01-458-8483 Stem, Fluid Valve →

4820-01-458-8478 — Valves, Nonpowered

Features

Valve,vent — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Ultralife Corp.

Identification

NSN: 4820-01-458-8478
NIIN: 014588478
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 770RPM02
Manufacturer: Ultralife Corp.

General Description

The Valve,vent, cataloged under National Stock Number 4820-01-458-8478, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ultralife Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-458-8478
Primary Part Number	770RPM02
Item Name	Valve,vent
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Ultralife Corp.
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
770RPM02 PRIMARY	Ultralife Corp. (USA)

Reference documents

Reference	Meaning
770RPM02	3/9 Design control — primary reference Mcdowell Research 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 4820-01-458-8478?

NSN 4820-01-458-8478 is a Valve,vent, manufactured by Ultralife Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-458-8478?

NSN 4820-01-458-8478 has 1 manufacturer part number on file: 770RPM02 (Ultralife Corp.).

What are the specifications of 770RPM02?

Key specifications for 770RPM02: End Item Identification: E/I POWER SUPPLY CAGE 03950 TARAWA CLASS LHA. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-458-8478 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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