PartsTable TECHNICAL DATA SHEET

NSN 4820-01-237-6335Government record, cited

Button, Valve Spring4820-01-237-6335

NSN 4820-01-237-6335 · NIIN 012376335 · Part number B222657-23

Leslie Controls, Inc. Dba Leslie Controls Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 35795

Government record, cited

NSN 4820-01-237-6335 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-237-6335. Manufacturer of record part number: B222657-23.

Also searched as 4820-01-237-6335 · 4820012376335 · NIIN 012376335 · 01-237-6335 · FSC 4820 Valves, Nonpowered · CAGE 35795 · B222657-23 · N-677 PIECE 11

Nearby stock numbers ← 4820-01-237-6321 Retainer, Disk, Valve · 4820-01-237-6339 Plate, Valve Diaphragm →

4820-01-237-6335 — Valves, Nonpowered

Features

Button,valve Spring — FSC 4820
Overall Diameter: 3.125 INCHES NOMINAL IN
Material: COPPER ALLOY
2 manufacturer part numbers on file
Manufacturer of record: Leslie Controls, Inc. Dba Leslie Controls Inc

Identification

NSN: 4820-01-237-6335
NIIN: 012376335
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B222657-23
Manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc

General Description

The Button,valve Spring, cataloged under National Stock Number 4820-01-237-6335, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-237-6335
Primary Part Number	B222657-23
Item Name	Button,valve Spring
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Leslie Controls, Inc. Dba Leslie Controls Inc
Status	ACTIVE
Overall Diameter	3.125 INCHES NOMINAL IN
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
N-677 PIECE 11	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
B222657-23 PRIMARY	Leslie Controls, Inc. Dba Leslie Controls 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 4820-01-237-6335?

NSN 4820-01-237-6335 is a Button,valve Spring, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-237-6335?

NSN 4820-01-237-6335 has 2 manufacturer part numbers on file: N-677 PIECE 11 (Leslie Controls, Inc. Dba Leslie Controls Inc), B222657-23 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What are the specifications of B222657-23?

Key specifications for B222657-23: Overall Height: 0.375 INCHES NOMINAL IN; Overall Diameter: 3.125 INCHES NOMINAL IN; Material: COPPER ALLOY. 2 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-237-6335 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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