PartsTable TECHNICAL DATA SHEET

NSN 4820-01-334-1137Government record, cited

Retainer, Disk, Valve4820-01-334-1137

NSN 4820-01-334-1137 · NIIN 013341137 · Part number 8928F 4IN ITEM 10

The Walworth Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 63686

Government record, cited

NSN 4820-01-334-1137 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-334-1137. Manufacturer of record part number: 8928F 4IN ITEM 10.

Also searched as 4820-01-334-1137 · 4820013341137 · NIIN 013341137 · 01-334-1137 · FSC 4820 Valves, Nonpowered · CAGE 63686 · 8928F 4IN ITEM 10

Nearby stock numbers ← 4820-01-334-1133 Parts Kit, Valve · 4820-01-334-1138 Retainer, Disk, Valve →

4820-01-334-1137 — Valves, Nonpowered

Features

Retainer,disk,valve — FSC 4820
Valve Size for Which Designed: 4.000 INCHES IN
Valve Design Control Activity: 63686
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: The Walworth Company

Identification

NSN: 4820-01-334-1137
NIIN: 013341137
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8928F 4IN ITEM 10
Manufacturer: The Walworth Company

General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-334-1137, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-334-1137
Primary Part Number	8928F 4IN ITEM 10
Item Name	Retainer,disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	The Walworth Company
Status	ACTIVE
Valve Size for Which Designed	4.000 INCHES IN
Valve Design Control Activity	63686
Material	COPPER ALLOY

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
8928F 4IN ITEM 10 PRIMARY	The Walworth Company (USA)

Reference documents

Reference	Meaning
8928F 4IN ITEM 10	5/9 Secondary reference U.S. Government activity

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 4820-01-334-1137?

NSN 4820-01-334-1137 is a Retainer,disk,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-334-1137?

NSN 4820-01-334-1137 has 1 manufacturer part number on file: 8928F 4IN ITEM 10 (The Walworth Company).

What are the specifications of 8928F 4IN ITEM 10?

Key specifications for 8928F 4IN ITEM 10: Valve Size for Which Designed: 4.000 INCHES IN; Valve Design Control Activity: 63686; Material: COPPER ALLOY. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-334-1137 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.

PartsTable Design LLC · partstable.com