PartsTable TECHNICAL DATA SHEET

NSN 4820-01-122-3512Government record, cited

Disk, Valve4820-01-122-3512

NSN 4820-01-122-3512 · NIIN 011223512

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-122-3512 · 4820011223512 · NIIN 011223512 · 01-122-3512 · FSC 4820 Valves, Nonpowered · 91585 PART 41705 · 41705 · 41705F

Nearby stock numbers ← 4820-01-122-3511 Disk, Valve · 4820-01-122-3513 Diaphragm, Valve, Flat →

4820-01-122-3512 — Valves, Nonpowered

Features

Disk,valve — FSC 4820
Outside Diameter: 1.500 INCHES NOMINAL IN
Style Designator: PLAIN
Inside Diameter: 0.700 INCHES NOMINAL IN
Material: RUBBER

Identification

NSN: 4820-01-122-3512
NIIN: 011223512
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Disk,valve, cataloged under National Stock Number 4820-01-122-3512, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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	4820-01-122-3512
Item Name	Disk,valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Outside Diameter	1.500 INCHES NOMINAL IN
Style Designator	PLAIN
Inside Diameter	0.700 INCHES NOMINAL IN
Material	RUBBER

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 3

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

3040-01-186-1393A-41705 POSSIBLE MATCH

BRAKE,MOTOR

Possible match (shared part number)Kollmorgen Corp

5945-01-260-172641705 POSSIBLE MATCH

RELAY,ELECTROMAGNETIC

Possible match (shared part number)Setra Systems, Inc. Dba Gems Sensors

5895-01-364-686341705 POSSIBLE MATCH

MODEM,COMMUNICATIONS

Possible match (shared part number)Motorola/codex Corp Sub of Motorola Inc

Cross-Reference Index

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

Reference documents

Reference	Meaning
91585 PART 41705	5/9 Secondary reference U.S. Government activity
41705	5/9 Secondary reference U.S. Government activity
41705F	3/2 Design control — primary reference U.S. Government activity

Related Parts

3040-01-186-1393POSSIBLE MATCH

BRAKE,MOTOR

A-41705

5945-01-260-1726POSSIBLE MATCH

RELAY,ELECTROMAGNETIC

41705

5895-01-364-6863POSSIBLE MATCH

MODEM,COMMUNICATIONS

41705

Frequently Asked Questions

What is NSN 4820-01-122-3512?

NSN 4820-01-122-3512 is a Disk,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-122-3512?

3 possible matches (shared part number, not a government interchangeability claim): 3040-01-186-1393, 5945-01-260-1726, 5895-01-364-6863. Verify interchangeability with system specifications before substitution.

What are the specifications of 4820-01-122-3512?

Key specifications for 4820-01-122-3512: Overall Height: 0.188 INCHES NOMINAL IN; Outside Diameter: 1.500 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.700 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-122-3512 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.

PartsTable Design LLC · partstable.com