Valve, Safety Relief4820-01-383-5449

NSN 4820-01-383-5449 · NIIN 013835449 · Part number 98650/1221

Mako Compressors, Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 33742

Government record, cited

NSN 4820-01-383-5449 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-383-5449. Manufacturer of record part number: 98650/1221.

Also searched as 4820-01-383-5449 · 4820013835449 · NIIN 013835449 · 01-383-5449 · FSC 4820 Valves, Nonpowered · CAGE 33742 · 98650/1221

Nearby stock numbers ← 4820-01-383-5442 Valve, Gate · 4820-01-383-5453 Valve, Calibrated Flow →

4820-01-383-5449 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Opening Pressure Setting: 700.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Manufacturer of record: Mako Compressors, Llc

Identification

NSN: 4820-01-383-5449
NIIN: 013835449
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 98650/1221
Manufacturer: Mako Compressors, Llc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-383-5449, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mako Compressors, Llc. Government technical data includes 2 specifications, 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-383-5449
Primary Part Number	98650/1221
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Mako Compressors, Llc
Status	ACTIVE
Opening Pressure Setting	700.0 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

Part Number	Manufacturer
98650/1221 PRIMARY	Mako Compressors, Llc (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 4820-01-383-5449?

NSN 4820-01-383-5449 is a Valve,safety Relief, manufactured by Mako Compressors, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-383-5449?

NSN 4820-01-383-5449 has 1 manufacturer part number on file: 98650/1221 (Mako Compressors, Llc).

What are the specifications of 98650/1221?

Key specifications for 98650/1221: Special Features: FOR COMPRESSOR UNIT; Opening Pressure Setting: 700.0 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-383-5449 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