Valve, Safety Relief4820-01-282-8458

NSN 4820-01-282-8458 · NIIN 012828458

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-282-8458 · 4820012828458 · NIIN 012828458 · 01-282-8458 · FSC 4820 Valves, Nonpowered · BTP01-10B1 · 10-21146-06 · BNNNC-01-1M-10A · BNNNC510B1-1M

Nearby stock numbers ← 4820-01-282-8457 Valve, Check · 4820-01-282-8459 →

4820-01-282-8458 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Material: IRON BODY
Material: STEEL SEAT
Material: STEEL FLOW CONTROL DEVICE
Material: STEEL STEM
Opening Pressure Setting: 1000.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method: AUTOMATIC

Identification

NSN: 4820-01-282-8458
NIIN: 012828458
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-282-8458, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-282-8458
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Material	IRON BODY
Material	STEEL SEAT
Material	STEEL FLOW CONTROL DEVICE
Material	STEEL STEM
Opening Pressure Setting	1000.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method	AUTOMATIC

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
BTP01-10B1	5/9 Secondary reference Vickers Inc
10-21146-06	5/9 Secondary reference Vickers Inc
BNNNC-01-1M-10A	C/1 Advisory reference — outside the item-of-supply concept Vickers Inc
BNNNC510B1-1M	3/9 Design control — primary reference Vickers 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 4820-01-282-8458?

NSN 4820-01-282-8458 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-282-8458?

Key specifications for 4820-01-282-8458: Material: IRON BODY; Material: STEEL SEAT; Material: STEEL FLOW CONTROL DEVICE; Material: STEEL STEM. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-282-8458 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.

PartsTable Design LLC · partstable.com