PartsTable TECHNICAL DATA SHEET

NSN 5331-01-501-5591Government record, cited

O-Ring5331-01-501-5591

NSN 5331-01-501-5591 · NIIN 015015591 · Part number 2621-927-10, 1.50IN ITEM23

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 15187

Government record, cited

NSN 5331-01-501-5591 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-501-5591. Manufacturer of record part number: 2621-927-10, 1.50IN ITEM23.

Also searched as 5331-01-501-5591 · 5331015015591 · NIIN 015015591 · 01-501-5591 · FSC 5331 O-ring · CAGE 15187 · 2621-927-10, 1.50IN ITEM23 · 2621-927-10,1.50IN,ITEM23

Nearby stock numbers ← 5331-01-501-5582 O-Ring · 5331-01-501-5677 O-Ring →

5331-01-501-5591 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

Identification

NSN: 5331-01-501-5591
NIIN: 015015591
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 2621-927-10, 1.50IN ITEM23
Manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team

General Description

The O-Ring, cataloged under National Stock Number 5331-01-501-5591, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)

Technical Specifications

Parameter	Value
NSN	5331-01-501-5591
Primary Part Number	2621-927-10, 1.50IN ITEM23
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Status	ACTIVE

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
2621-927-10, 1.50IN ITEM23 PRIMARY	Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)

Reference documents

Reference	Meaning
2621-927-10,1.50IN,ITEM23	5/9 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5331 — O-ring

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5331-00-001-1971

O-RING

5331-00-001-1979

O-RING

5331-00-001-3904

O-RING

5331-00-001-3905

O-RING

5331-00-001-3906

O-RING

5331-00-001-3908

O-RING

5331-00-001-3923

O-RING

5331-00-001-3924

O-RING

Frequently Asked Questions

What is NSN 5331-01-501-5591?

NSN 5331-01-501-5591 is a O-Ring, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-501-5591?

NSN 5331-01-501-5591 has 1 manufacturer part number on file: 2621-927-10, 1.50IN ITEM23 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

Is NSN 5331-01-501-5591 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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