Cap, Valve4820-00-993-3995

NSN 4820-00-993-3995 · NIIN 009933995 · Part number UH11303

Clayton Manufacturing Company · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 12736

Government record, cited

NSN 4820-00-993-3995 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-993-3995. Manufacturer of record part number: UH11303.

Also searched as 4820-00-993-3995 · 4820009933995 · NIIN 009933995 · 00-993-3995 · FSC 4820 Valves, Nonpowered · CAGE 12736 · UH11303

Nearby stock numbers ← 4820-00-993-3984 · 4820-00-993-4001 Valve, Check →

4820-00-993-3995 — Valves, Nonpowered

Features

Cap,valve — FSC 4820
Outside Diameter: 1.125 INCHES NOMINAL IN
Surface Treatment: CADMIUM
Material: STEEL
Attachment Method: THREADED
1 manufacturer part number on file
Manufacturer of record: Clayton Manufacturing Company

Identification

NSN: 4820-00-993-3995
NIIN: 009933995
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: UH11303
Manufacturer: Clayton Manufacturing Company

General Description

The Cap,valve, cataloged under National Stock Number 4820-00-993-3995, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Clayton Manufacturing Company. Government technical data includes 4 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. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-993-3995
Primary Part Number	UH11303
Item Name	Cap,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Clayton Manufacturing Company
Status	ACTIVE
Outside Diameter	1.125 INCHES NOMINAL IN
Surface Treatment	CADMIUM
Material	STEEL
Attachment Method	THREADED

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
UH11303 PRIMARY	Clayton Manufacturing Company (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 4820-00-993-3995?

NSN 4820-00-993-3995 is a Cap,valve, manufactured by Clayton Manufacturing Company, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-00-993-3995?

NSN 4820-00-993-3995 has 1 manufacturer part number on file: UH11303 (Clayton Manufacturing Company).

What are the specifications of UH11303?

Key specifications for UH11303: Outside Diameter: 1.125 INCHES NOMINAL IN; Surface Treatment: CADMIUM; Material: STEEL; Attachment Method: THREADED. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-00-993-3995 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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