Valve, Check4820-01-583-0583

NSN 4820-01-583-0583 · NIIN 015830583 · Part number FIG 41TF-2IN

Crane Co Div Valve Div · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 14959

Government record, cited

NSN 4820-01-583-0583 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-583-0583. Manufacturer of record part number: FIG 41TF-2IN.

Also searched as 4820-01-583-0583 · 4820015830583 · NIIN 015830583 · 01-583-0583 · FSC 4820 Valves, Nonpowered · CAGE 14959 · FIG 41TF-2IN · 41TF-2IN

Nearby stock numbers ← 4820-01-583-0578 Valve, Angle · 4820-01-583-0697 Valve, Ball →

4820-01-583-0583 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Material: COPPER ALLOY BODY
Valve Operation Method: AUTOMATIC
2 manufacturer part numbers on file
Manufacturer of record: Crane Co Div Valve Div

Identification

NSN: 4820-01-583-0583
NIIN: 015830583
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: FIG 41TF-2IN
Manufacturer: Crane Co Div Valve Div

General Description

The Valve,check, cataloged under National Stock Number 4820-01-583-0583, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-583-0583
Primary Part Number	FIG 41TF-2IN
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Crane Co Div Valve Div
Status	ACTIVE
Connection Type	THREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Material	COPPER ALLOY BODY
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
41TF-2IN	Metropolitan Pipe and Supply Company Dba Metropolitan Pipe & Supply Cambridge (USA)
FIG 41TF-2IN PRIMARY	Crane Co Div Valve Div (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 4820-01-583-0583?

NSN 4820-01-583-0583 is a Valve,check, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-583-0583?

NSN 4820-01-583-0583 has 2 manufacturer part numbers on file: 41TF-2IN (Metropolitan Pipe and Supply Company Dba Metropolitan Pipe & Supply Cambridge), FIG 41TF-2IN (Crane Co Div Valve Div).

What are the specifications of FIG 41TF-2IN?

Key specifications for FIG 41TF-2IN: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Part Name Assigned by Controlling Agency: 2 INCH SWING CHECK VALVE IN; End Item Identification: KNOLLS ATOMIC POWER LAB - SPECIAL PROJECT MANAGEMENT SYSTEM. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-583-0583 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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