PartsTable TECHNICAL DATA SHEET

NSN 5331-01-343-1718Government record, cited

O-Ring5331-01-343-1718

NSN 5331-01-343-1718 · NIIN 013431718 · Part number HV31-325-4-HT

Automatic Switch Company Dba Asco · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 04845

Government record, cited

NSN 5331-01-343-1718 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-343-1718. Manufacturer of record part number: HV31-325-4-HT.

Also searched as 5331-01-343-1718 · 5331013431718 · NIIN 013431718 · 01-343-1718 · FSC 5331 O-ring · CAGE 04845 · HV31-325-4-HT · AV182-430 ITEM 49

Nearby stock numbers ← 5331-01-343-1717 O-Ring · 5331-01-343-1719 O-Ring →

5331-01-343-1718 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Automatic Switch Company Dba Asco

Identification

NSN: 5331-01-343-1718
NIIN: 013431718
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: HV31-325-4-HT
Manufacturer: Automatic Switch Company Dba Asco

General Description

The O-Ring, cataloged under National Stock Number 5331-01-343-1718, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Automatic Switch Company Dba Asco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Automatic Switch Company Dba Asco (CAGE 04845)

Technical Specifications

Parameter	Value
NSN	5331-01-343-1718
Primary Part Number	HV31-325-4-HT
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Automatic Switch Company Dba Asco
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
HV31-325-4-HT PRIMARY	Automatic Switch Company Dba Asco (USA)

Reference documents

Reference	Meaning
AV182-430 ITEM 49	5/9 Secondary reference Automatic Switch Company Dba Asco

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 5331-01-343-1718?

NSN 5331-01-343-1718 is a O-Ring, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-343-1718?

NSN 5331-01-343-1718 has 1 manufacturer part number on file: HV31-325-4-HT (Automatic Switch Company Dba Asco).

Is NSN 5331-01-343-1718 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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