Valve, Safety Relief4820-01-643-1660

NSN 4820-01-643-1660 · NIIN 016431660 · Part number SWA B-4CP2-EPDG-10

Kipper Tool Company Dba Kipper Management Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 00NS2

Government record, cited

NSN 4820-01-643-1660 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-643-1660. Manufacturer of record part number: SWA B-4CP2-EPDG-10.

Also searched as 4820-01-643-1660 · 4820016431660 · NIIN 016431660 · 01-643-1660 · FSC 4820 Valves, Nonpowered · CAGE 00NS2 · SWA B-4CP2-EPDG-10

Nearby stock numbers ← 4820-01-643-1618 Valve, Foot · 4820-01-643-1663 Valve, Stop-Check →

4820-01-643-1660 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Kipper Tool Company Dba Kipper Management Inc

Identification

NSN: 4820-01-643-1660
NIIN: 016431660
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SWA B-4CP2-EPDG-10
Manufacturer: Kipper Tool Company Dba Kipper Management Inc

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-643-1660, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kipper Tool Company Dba Kipper Management Inc. 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	4820-01-643-1660
Primary Part Number	SWA B-4CP2-EPDG-10
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kipper Tool Company Dba Kipper Management Inc
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
SWA B-4CP2-EPDG-10 PRIMARY	Kipper Tool Company Dba Kipper Management 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 4820-01-643-1660?

NSN 4820-01-643-1660 is a Valve,safety Relief, manufactured by Kipper Tool Company Dba Kipper Management Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-643-1660?

NSN 4820-01-643-1660 has 1 manufacturer part number on file: SWA B-4CP2-EPDG-10 (Kipper Tool Company Dba Kipper Management Inc).

What are the specifications of SWA B-4CP2-EPDG-10?

Key specifications for SWA B-4CP2-EPDG-10: Part Name Assigned by Controlling Agency: GREEN RELIEF VALVE; End Item Identification: FIRE CONTROL PURGING KIT - 4931-00-065-1110. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-643-1660 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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