Parts Kit, Safety Relief Valve4820-01-143-9580

NSN 4820-01-143-9580 · NIIN 011439580 · Part number 5550-13

Norgren C a Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 43990

Government record, cited

NSN 4820-01-143-9580 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-143-9580. Manufacturer of record part number: 5550-13.

Also searched as 4820-01-143-9580 · 4820011439580 · NIIN 011439580 · 01-143-9580 · FSC 4820 Valves, Nonpowered · CAGE 43990 · 5550-13

Nearby stock numbers ← 4820-01-143-9492 Diaphragm, Valve, Flat · 4820-01-144-0236 Valve, Pilot →

4820-01-143-9580 — Valves, Nonpowered

Features

Parts Kit,safety Relief Valve — FSC 4820
Component Quantity: 2
Document Type: MFR BULLETIN
End Item Source: 43990
Component Document Page Number: 2
Document Identification: NIP-705
Component Document Origin: INDUSTRIAL
End Item Name: VALVE,SAFETY RELIEF

Identification

NSN: 4820-01-143-9580
NIIN: 011439580
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 5550-13
Manufacturer: Norgren C a Co

General Description

The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-143-9580, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Norgren C a Co. Government technical data includes 8 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	4820-01-143-9580
Primary Part Number	5550-13
Item Name	Parts Kit,safety Relief Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Norgren C a Co
Status	ACTIVE
Component Quantity	2
Document Type	MFR BULLETIN
End Item Source	43990
Component Document Page Number	2
Document Identification	NIP-705
Component Document Origin	INDUSTRIAL
End Item Name	VALVE,SAFETY RELIEF
Document Source	43990

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
5550-13 PRIMARY	Norgren C a Co (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 4820-01-143-9580?

NSN 4820-01-143-9580 is a Parts Kit,safety Relief Valve, manufactured by Norgren C a Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-143-9580?

NSN 4820-01-143-9580 has 1 manufacturer part number on file: 5550-13 (Norgren C a Co).

What are the specifications of 5550-13?

Key specifications for 5550-13: Component Quantity: 2; Document Type: MFR BULLETIN; End Item Source: 43990; Component Document Page Number: 2. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-143-9580 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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