Valve, Angle4820-01-425-3825

NSN 4820-01-425-3825 · NIIN 014253825 · Part number AHLS-SS-1/2

Gadren Machine Co Inc Dba Gade Float Valves · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 17181

Government record, cited

NSN 4820-01-425-3825 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-425-3825. Manufacturer of record part number: AHLS-SS-1/2.

Also searched as 4820-01-425-3825 · 4820014253825 · NIIN 014253825 · 01-425-3825 · FSC 4820 Valves, Nonpowered · CAGE 17181 · AHLS-SS-1/2

Nearby stock numbers ← 4820-01-425-3733 Valve, Liquid-Check · 4820-01-425-3827 Valve, Check →

4820-01-425-3825 — Valves, Nonpowered

Features

Valve,angle — FSC 4820
Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: ANGLE
Bonnet Type: PACKING RETAINING
Thread Direction: RIGHT-HAND ALL ENDS
Nominal Thread Size: 0.500 INCHES ALL ENDS IN
Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE

Identification

NSN: 4820-01-425-3825
NIIN: 014253825
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: AHLS-SS-1/2
Manufacturer: Gadren Machine Co Inc Dba Gade Float Valves

General Description

The Valve,angle, cataloged under National Stock Number 4820-01-425-3825, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gadren Machine Co Inc Dba Gade Float Valves. Government technical data includes 10 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	4820-01-425-3825
Primary Part Number	AHLS-SS-1/2
Item Name	Valve,angle
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Gadren Machine Co Inc Dba Gade Float Valves
Status	ACTIVE
Connection Style	PLAIN,OPTIONAL END(PIPE) ALL ENDS
Connection Type	THREADED INTERNAL PIPE ALL ENDS
Style Designator	ANGLE
Bonnet Type	PACKING RETAINING
Thread Direction	RIGHT-HAND ALL ENDS
Nominal Thread Size	0.500 INCHES ALL ENDS IN
Media for Which Designed	FUEL/OIL, HYDROCARBON SINGLE RESPONSE
Material	STEEL COMP 316 BODY
Thread Series Designator	NPT ALL ENDS
Valve Operation Method	MANUAL

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
AHLS-SS-1/2 PRIMARY	Gadren Machine Co Inc Dba Gade Float Valves (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 4820-01-425-3825?

NSN 4820-01-425-3825 is a Valve,angle, manufactured by Gadren Machine Co Inc Dba Gade Float Valves, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-425-3825?

NSN 4820-01-425-3825 has 1 manufacturer part number on file: AHLS-SS-1/2 (Gadren Machine Co Inc Dba Gade Float Valves).

What are the specifications of AHLS-SS-1/2?

Key specifications for AHLS-SS-1/2: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE; Bonnet Type: PACKING RETAINING. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-425-3825 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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