Valve, Stop-Check4820-01-605-4959

NSN 4820-01-605-4959 · NIIN 016054959 · Part number 525-S8C5F-XPS

Sfc Valve Corporation · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1GZ83

Government record, cited

NSN 4820-01-605-4959 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-605-4959. Manufacturer of record part number: 525-S8C5F-XPS.

Also searched as 4820-01-605-4959 · 4820016054959 · NIIN 016054959 · 01-605-4959 · FSC 4820 Valves, Nonpowered · CAGE 1GZ83 · 525-S8C5F-XPS · CD 525-S8C5F-XPS 2IN

Nearby stock numbers ← 4820-01-605-4958 Valve, Ball · 4820-01-605-4960 Valve, Foot →

4820-01-605-4959 — Valves, Nonpowered

Features

Valve,stop-Check — FSC 4820
Flange Shape: ROUND ALL ENDS
Flange Face Design: PLAIN ALL ENDS
Connection Type: FLANGE ALL ENDS
Style Designator: STRAIGHT THRU FLANGED ENDS
Valve Size: 2.0 INCHES IN
Nominal Outside Diameter: 6.5 INCHES ALL ENDS IN
Face to Face Distance: 11.0 INCHES IN

Identification

NSN: 4820-01-605-4959
NIIN: 016054959
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 525-S8C5F-XPS
Manufacturer: Sfc Valve Corporation

General Description

The Valve,stop-Check, cataloged under National Stock Number 4820-01-605-4959, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sfc Valve Corporation. Government technical data includes 10 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	4820-01-605-4959
Primary Part Number	525-S8C5F-XPS
Item Name	Valve,stop-Check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Sfc Valve Corporation
Status	ACTIVE
Flange Shape	ROUND ALL ENDS
Flange Face Design	PLAIN ALL ENDS
Connection Type	FLANGE ALL ENDS
Style Designator	STRAIGHT THRU FLANGED ENDS
Valve Size	2.0 INCHES IN
Nominal Outside Diameter	6.5 INCHES ALL ENDS IN
Face to Face Distance	11.0 INCHES IN
Material	STEEL COMP 316L BODY
Valve Operation Method	AUTOMATIC
Nominal Thickness	0.0 INCHES ALL ENDS IN

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
CD 525-S8C5F-XPS 2IN	Sfc Valve Corporation (USA)
525-S8C5F-XPS PRIMARY	Sfc Valve 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 4820-01-605-4959?

NSN 4820-01-605-4959 is a Valve,stop-Check, manufactured by Sfc Valve Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-605-4959?

NSN 4820-01-605-4959 has 2 manufacturer part numbers on file: CD 525-S8C5F-XPS 2IN (Sfc Valve Corporation), 525-S8C5F-XPS (Sfc Valve Corporation).

What are the specifications of 525-S8C5F-XPS?

Key specifications for 525-S8C5F-XPS: Flange Shape: ROUND ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-605-4959 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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