PartsTable TECHNICAL DATA SHEET

NSN 4820-01-415-9502Government record, cited

Flange, Gland, Valve4820-01-415-9502

NSN 4820-01-415-9502 · NIIN 014159502

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-415-9502 · 4820014159502 · NIIN 014159502 · 01-415-9502 · FSC 4820 Valves, Nonpowered · 2177518 · 803-2177518-16XX-20

Nearby stock numbers ← 4820-01-415-9495 Disk, Valve · 4820-01-415-9503 Disk, Valve →

4820-01-415-9502 — Valves, Nonpowered

Features

Flange,gland,valve — FSC 4820
Flange Shape: OVAL
Bolt Hole Nominal Diameter: 1.125 INCHES IN
Valve Size: 16.000 INCHES IN
Bolt Hole Quantity: 2
Nominal Center Hole Diameter: 6.000 INCHES IN
Valve Type: GATE
Flange Width: 1.750 INCHES IN

Identification

NSN: 4820-01-415-9502
NIIN: 014159502
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Flange,gland,valve, cataloged under National Stock Number 4820-01-415-9502, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-415-9502
Item Name	Flange,gland,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flange Shape	OVAL
Bolt Hole Nominal Diameter	1.125 INCHES IN
Valve Size	16.000 INCHES IN
Bolt Hole Quantity	2
Nominal Center Hole Diameter	6.000 INCHES IN
Valve Type	GATE
Flange Width	1.750 INCHES IN
Material	STEEL
Flange Length	6.750 INCHES IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL B — Remove Demilitarization Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

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

Reference documents

Reference	Meaning
2177518	D/9 Drawing number reference only U.S. Government activity
803-2177518-16XX-20	3/2 Design control — primary 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 4820-01-415-9502?

NSN 4820-01-415-9502 is a Flange,gland,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-415-9502?

Key specifications for 4820-01-415-9502: Flange Shape: OVAL; Bolt Hole Nominal Diameter: 1.125 INCHES IN; Valve Size: 16.000 INCHES IN; Bolt Hole Quantity: 2. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-415-9502 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.

What is the DEMIL code for NSN 4820-01-415-9502?

NSN 4820-01-415-9502 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.

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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