Head, Safety, Pressure Relief4820-01-180-0654

NSN 4820-01-180-0654 · NIIN 011800654 · Part number 1 1/2 GI

Fike Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 06370

Government record, cited

NSN 4820-01-180-0654 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-180-0654. Manufacturer of record part number: 1 1/2 GI.

Also searched as 4820-01-180-0654 · 4820011800654 · NIIN 011800654 · 01-180-0654 · FSC 4820 Valves, Nonpowered · CAGE 06370 · 1 1/2 GI

Nearby stock numbers ← 4820-01-180-0594 Valve Train Assembly · 4820-01-180-0655 →

4820-01-180-0654 — Valves, Nonpowered

Features

Head,safety,pressure Relief — FSC 4820
Head Type: BOLTED
End Connection Type: FLANGED
Head Size: 1.500 INCHES IN
Head Material: STEEL CORROSION RESISTING
1 manufacturer part number on file
Manufacturer of record: Fike Corporation

Identification

NSN: 4820-01-180-0654
NIIN: 011800654
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1 1/2 GI
Manufacturer: Fike Corporation

General Description

The Head,safety,pressure Relief, cataloged under National Stock Number 4820-01-180-0654, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fike Corporation. Government technical data includes 4 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	4820-01-180-0654
Primary Part Number	1 1/2 GI
Item Name	Head,safety,pressure Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Fike Corporation
Status	ACTIVE
Head Type	BOLTED
End Connection Type	FLANGED
Head Size	1.500 INCHES IN
Head Material	STEEL CORROSION RESISTING

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
1 1/2 GI PRIMARY	Fike Corporation (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 4820-01-180-0654?

NSN 4820-01-180-0654 is a Head,safety,pressure Relief, manufactured by Fike Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-180-0654?

NSN 4820-01-180-0654 has 1 manufacturer part number on file: 1 1/2 GI (Fike Corporation).

What are the specifications of 1 1/2 GI?

Key specifications for 1 1/2 GI: Head Type: BOLTED; End Connection Type: FLANGED; Head Size: 1.500 INCHES IN; Head Material: STEEL CORROSION RESISTING. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-180-0654 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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