Retainer, Disk, Valve4820-01-149-0936

NSN 4820-01-149-0936 · NIIN 011490936 · Part number K-500-EN-0335

Kovatch Corp. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 59556

Government record, cited

NSN 4820-01-149-0936 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-149-0936. Manufacturer of record part number: K-500-EN-0335.

Also searched as 4820-01-149-0936 · 4820011490936 · NIIN 011490936 · 01-149-0936 · FSC 4820 Valves, Nonpowered · CAGE 59556 · K-500-EN-0335 · 9L8735

Nearby stock numbers ← 4820-01-149-0930 · 4820-01-149-0953 Valve, Globe →

4820-01-149-0936 — Valves, Nonpowered

Features

Retainer,disk,valve — FSC 4820
Outside Diameter: 3.535 INCHES NOMINAL IN
Inside Diameter: 0.227 INCHES NOMINAL IN
Material: STEEL
2 manufacturer part numbers on file
Manufacturer of record: Kovatch Corp.

Identification

NSN: 4820-01-149-0936
NIIN: 011490936
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: K-500-EN-0335
Manufacturer: Kovatch Corp.

General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-149-0936, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kovatch Corp.. Government technical data includes 3 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	4820-01-149-0936
Primary Part Number	K-500-EN-0335
Item Name	Retainer,disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Kovatch Corp.
Status	ACTIVE
Outside Diameter	3.535 INCHES NOMINAL IN
Inside Diameter	0.227 INCHES NOMINAL IN
Material	STEEL

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
K-500-EN-0335 PRIMARY	Kovatch Corp. (USA)
9L8735 PRIMARY	Caterpillar Inc Div Caterpillar Defense (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 4820-01-149-0936?

NSN 4820-01-149-0936 is a Retainer,disk,valve, manufactured by Kovatch Corp., classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-149-0936?

NSN 4820-01-149-0936 has 2 manufacturer part numbers on file: K-500-EN-0335 (Kovatch Corp.), 9L8735 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of K-500-EN-0335?

Key specifications for K-500-EN-0335: Outside Diameter: 3.535 INCHES NOMINAL IN; Overall Length: 0.250 INCHES NOMINAL IN; Inside Diameter: 0.227 INCHES NOMINAL IN; Material: STEEL. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-149-0936 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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