PartsTable TECHNICAL DATA SHEET

NSN 4820-01-147-1648Government record, cited

Valve, Safety Relief4820-01-147-1648

NSN 4820-01-147-1648 · NIIN 011471648 · Part number 300002-91

Testek Llc Dba Testek Solutions · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06659

Government record, cited

NSN 4820-01-147-1648 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-147-1648. Manufacturer of record part number: 300002-91.

Also searched as 4820-01-147-1648 · 4820011471648 · NIIN 011471648 · 01-147-1648 · FSC 4820 Valves, Nonpowered · CAGE 06659 · 300002-91 · 300002-65

Nearby stock numbers ← 4820-01-147-1584 Valve, Regulating, Fluid Pressure · 4820-01-147-1712 Parts Kit, Pressure Regulating VA →

4820-01-147-1648 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Disk Loading Method: SPRING
1 manufacturer part number on file
Manufacturer of record: Testek Llc Dba Testek Solutions

Identification

NSN: 4820-01-147-1648
NIIN: 011471648
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 300002-91
Manufacturer: Testek Llc Dba Testek Solutions

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-147-1648, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Testek Llc Dba Testek Solutions. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	4820-01-147-1648
Primary Part Number	300002-91
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Testek Llc Dba Testek Solutions
Status	ACTIVE
Disk Loading Method	SPRING

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL Q — CCL Item — Commerce Control List
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
300002-91 PRIMARY	Testek Llc Dba Testek Solutions (USA)

Reference documents

Reference	Meaning
300002-65	5/9 Secondary reference Testek Llc Dba Testek Solutions

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 4820-01-147-1648?

NSN 4820-01-147-1648 is a Valve,safety Relief, manufactured by Testek Llc Dba Testek Solutions, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-147-1648?

NSN 4820-01-147-1648 has 1 manufacturer part number on file: 300002-91 (Testek Llc Dba Testek Solutions).

What are the specifications of 300002-91?

Key specifications for 300002-91: Disk Loading Method: SPRING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-147-1648 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.

What is the DEMIL code for NSN 4820-01-147-1648?

NSN 4820-01-147-1648 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.

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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