PartsTable TECHNICAL DATA SHEET

NSN 4820-01-103-3608Government record, cited

Ring, Sealing4820-01-103-3608

NSN 4820-01-103-3608 · NIIN 011033608 · Part number Q4431-445A

Minnesota Rubber Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 07322

Government record, cited

NSN 4820-01-103-3608 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-3608. Manufacturer of record part number: Q4431-445A.

Also searched as 4820-01-103-3608 · 4820011033608 · NIIN 011033608 · 01-103-3608 · FSC 4820 Valves, Nonpowered · CAGE 07322 · Q4431-445A · 01-435-0030-5 PIECE 50 · 01-435-0030-5 PIECE 50

Nearby stock numbers ← 4820-01-103-3510 Cock, Drain · 4820-01-103-3643 Valve →

4820-01-103-3608 — Valves, Nonpowered

Features

Ring,sealing — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Minnesota Rubber Co

Identification

NSN: 4820-01-103-3608
NIIN: 011033608
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: Q4431-445A
Manufacturer: Minnesota Rubber Co

General Description

The Ring,sealing, cataloged under National Stock Number 4820-01-103-3608, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Minnesota Rubber Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Ring,sealing
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)
Manufacturers	Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (CAGE 52374); Minnesota Rubber Co (CAGE 07322)

Technical Specifications

Parameter	Value
NSN	4820-01-103-3608
Primary Part Number	Q4431-445A
Item Name	Ring,sealing
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Minnesota Rubber Co
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
01-435-0030-5 PIECE 50	Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Q4431-445A PRIMARY	Minnesota Rubber Co (USA)

Reference documents

Reference	Meaning
01-435-0030-5 PIECE 50	5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear

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 4820-01-103-3608?

NSN 4820-01-103-3608 is a Ring,sealing, manufactured by Minnesota Rubber Co, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-103-3608?

NSN 4820-01-103-3608 has 2 manufacturer part numbers on file: 01-435-0030-5 PIECE 50 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), Q4431-445A (Minnesota Rubber Co).

Is NSN 4820-01-103-3608 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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