PartsTable TECHNICAL DATA SHEET

NSN 5331-01-062-1000Government record, cited

O-Ring5331-01-062-1000

NSN 5331-01-062-1000 · NIIN 010621000 · Part number 820A0031

Circor Naval Solutions Llc Dba Warren Pumps · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 63857

Government record, cited

NSN 5331-01-062-1000 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-062-1000. Manufacturer of record part number: 820A0031.

Also searched as 5331-01-062-1000 · 5331010621000 · NIIN 010621000 · 01-062-1000 · FSC 5331 O-ring · CAGE 63857 · 820A0031 · 999F0444 PC 38 · PL999D0556PC14 · BK-158

Nearby stock numbers ← 5331-01-062-0999 O-Ring · 5331-01-062-1537 O-Ring →

5331-01-062-1000 — O-ring

Features

O-Ring — FSC 5331
3 manufacturer part numbers on file
Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps

Identification

NSN: 5331-01-062-1000
NIIN: 010621000
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 820A0031
Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

General Description

The O-Ring, cataloged under National Stock Number 5331-01-062-1000, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	O-Ring
FSC / FSG	5331 — O-ring (FSG 53)
Manufacturers	Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)

Technical Specifications

Parameter	Value
NSN	5331-01-062-1000
Primary Part Number	820A0031
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
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
PL999D0556PC14	Circor Naval Solutions Llc Dba Warren Pumps (USA)
BK-158	Circor Naval Solutions Llc Dba Warren Pumps (USA)
820A0031 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Reference documents

Reference	Meaning
999F0444 PC 38	C/1 Advisory reference — outside the item-of-supply concept Circor Naval Solutions Llc Dba Warren Pumps

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 5331-01-062-1000?

NSN 5331-01-062-1000 is a O-Ring, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-062-1000?

NSN 5331-01-062-1000 has 3 manufacturer part numbers on file: PL999D0556PC14 (Circor Naval Solutions Llc Dba Warren Pumps), BK-158 (Circor Naval Solutions Llc Dba Warren Pumps), 820A0031 (Circor Naval Solutions Llc Dba Warren Pumps).

Is NSN 5331-01-062-1000 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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