PartsTable TECHNICAL DATA SHEET

NSN 4820-01-111-4014Government record, cited

Cover, Retainer Protector4820-01-111-4014

NSN 4820-01-111-4014 · NIIN 011114014

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-111-4014 · 4820011114014 · NIIN 011114014 · 01-111-4014 · FSC 4820 Valves, Nonpowered · 803-2177141 · 803-2177141-4XX-33

Nearby stock numbers ← 4820-01-111-4013 · 4820-01-111-4068 →

4820-01-111-4014 — Valves, Nonpowered

Features

Cover,retainer Protector — FSC 4820
General Characteristics Item Description: STEEL,1.188 IN. DIA;0.250 IN. H IN

Identification

NSN: 4820-01-111-4014
NIIN: 011114014
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Cover,retainer Protector, cataloged under National Stock Number 4820-01-111-4014, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-111-4014
Item Name	Cover,retainer Protector
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
General Characteristics Item Description	STEEL,1.188 IN. DIA;0.250 IN. H IN

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

⇄ Related Items 8

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-112-1283803-2177141-4XX-09 POSSIBLE MATCH

BONNET,RETAINER SCREW TORQUE

Possible match (shared part number)Naval Ship Systems Command

4820-01-114-3061803-2177141-4XX-03 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-117-7594803-2177141-3XX-03 POSSIBLE MATCH

CAP,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-118-0563803-2177141-312-12 POSSIBLE MATCH

FLANGE,GLAND,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-118-1224803-2177141-311 POSSIBLE MATCH

VALVE,GLOBE

Possible match (shared part number)Naval Ship Systems Command

4820-01-123-8777803-2177141-3XX-02A POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-125-5607803-2177141-3XX-27A POSSIBLE MATCH

DISK,VALVE

Possible match (shared part number)Naval Ship Systems Command

4820-01-146-7042803-2177141-412 POSSIBLE MATCH

VALVE,GLOBE

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
803-2177141	D/9 Drawing number reference only U.S. Government activity
803-2177141-4XX-33	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-112-1283POSSIBLE MATCH

BONNET,RETAINER SCREW TORQUE

803-2177141-4XX-09

4820-01-114-3061POSSIBLE MATCH

CAP,VALVE

803-2177141-4XX-03

4820-01-117-7594POSSIBLE MATCH

CAP,VALVE

803-2177141-3XX-03

4820-01-118-0563POSSIBLE MATCH

FLANGE,GLAND,VALVE

803-2177141-312-12

4820-01-118-1224POSSIBLE MATCH

VALVE,GLOBE

803-2177141-311

4820-01-123-8777POSSIBLE MATCH

DISK,VALVE

803-2177141-3XX-02A

4820-01-125-5607POSSIBLE MATCH

DISK,VALVE

803-2177141-3XX-27A

4820-01-146-7042POSSIBLE MATCH

VALVE,GLOBE

803-2177141-412

Frequently Asked Questions

What is NSN 4820-01-111-4014?

NSN 4820-01-111-4014 is a Cover,retainer Protector, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-111-4014?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-112-1283, 4820-01-114-3061, 4820-01-117-7594. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-111-4014?

Key specifications for 4820-01-111-4014: General Characteristics Item Description: STEEL,1.188 IN. DIA;0.250 IN. H IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 4820-01-111-4014 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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