Valve, Ball4820-01-660-1089

NSN 4820-01-660-1089 · NIIN 016601089 · Part number TMS-2956

Clark-Reliance Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 007F8

Government record, cited

NSN 4820-01-660-1089 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-660-1089. Manufacturer of record part number: TMS-2956.

Also searched as 4820-01-660-1089 · 4820016601089 · NIIN 016601089 · 01-660-1089 · FSC 4820 Valves, Nonpowered · CAGE 007F8 · TMS-2956

Nearby stock numbers ← 4820-01-660-1055 Valve, Safety Relief · 4820-01-660-1108 Valve Assembly →

4820-01-660-1089 — Valves, Nonpowered

Features

Valve,ball — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Clark-Reliance Llc

Identification

NSN: 4820-01-660-1089
NIIN: 016601089
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: TMS-2956
Manufacturer: Clark-Reliance Llc

General Description

The Valve,ball, cataloged under National Stock Number 4820-01-660-1089, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clark-Reliance Llc. 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	4820-01-660-1089
Primary Part Number	TMS-2956
Item Name	Valve,ball
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Clark-Reliance Llc
Status	ACTIVE

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
TMS-2956 PRIMARY	Clark-Reliance Llc (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 4820-01-660-1089?

NSN 4820-01-660-1089 is a Valve,ball, manufactured by Clark-Reliance Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-660-1089?

NSN 4820-01-660-1089 has 1 manufacturer part number on file: TMS-2956 (Clark-Reliance Llc).

What are the specifications of TMS-2956?

Key specifications for TMS-2956: Part Name Assigned by Controlling Agency: VALVE, BALL, PORT; End Item Identification: MISC PARTS,AUXILIARY SYSTEMS DDG1000. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-660-1089 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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