Valve, Ball4820-01-654-3699

NSN 4820-01-654-3699 · NIIN 016543699 · Part number IBV-1250

Gross Mechanical Laboratories Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72922

Government record, cited

NSN 4820-01-654-3699 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-654-3699. Manufacturer of record part number: IBV-1250.

Also searched as 4820-01-654-3699 · 4820016543699 · NIIN 016543699 · 01-654-3699 · FSC 4820 Valves, Nonpowered · CAGE 72922 · IBV-1250

Nearby stock numbers ← 4820-01-654-3647 Disk, Valve · 4820-01-654-3700 Retainer, Seat, Valve →

4820-01-654-3699 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
Furnished Items and Quantity: 1 HANDLE
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Nominal Thread Size: 1.250 INCHES ALL ENDS IN
Face to Face Distance: 3.40 INCHES IN
Thread Series Designator: NPT ALL ENDS
Valve Operation Method: MANUAL

Identification

NSN: 4820-01-654-3699
NIIN: 016543699
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: IBV-1250
Manufacturer: Gross Mechanical Laboratories Inc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-654-3699, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Gross Mechanical Laboratories Inc. Government technical data includes 7 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	4820-01-654-3699
Primary Part Number	IBV-1250
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Gross Mechanical Laboratories Inc
Status	ACTIVE
Furnished Items and Quantity	1 HANDLE
Connection Type	THREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Nominal Thread Size	1.250 INCHES ALL ENDS IN
Face to Face Distance	3.40 INCHES IN
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
IBV-1250 PRIMARY	Gross Mechanical Laboratories Inc (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 4820-01-654-3699?

NSN 4820-01-654-3699 is a Valve,ball, manufactured by Gross Mechanical Laboratories Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-654-3699?

NSN 4820-01-654-3699 has 1 manufacturer part number on file: IBV-1250 (Gross Mechanical Laboratories Inc).

What are the specifications of IBV-1250?

Key specifications for IBV-1250: Furnished Items and Quantity: 1 HANDLE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Nominal Thread Size: 1.250 INCHES ALL ENDS IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-654-3699 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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