O-Ring5331-01-688-1943

NSN 5331-01-688-1943 · NIIN 016881943 · Part number 3897787

Cummins Inc. · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 15434

Government record, cited

NSN 5331-01-688-1943 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-688-1943. Manufacturer of record part number: 3897787.

Also searched as 5331-01-688-1943 · 5331016881943 · NIIN 016881943 · 01-688-1943 · FSC 5331 O-ring · CAGE 15434 · 3897787

Nearby stock numbers ← 5331-01-688-1915 O-Ring · 5331-01-688-2172 O-Ring →

5331-01-688-1943 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Cummins Inc.

Identification

NSN: 5331-01-688-1943
NIIN: 016881943
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: 3897787
Manufacturer: Cummins Inc.

General Description

The O-Ring, cataloged under National Stock Number 5331-01-688-1943, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5331-01-688-1943
Primary Part Number	3897787
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Cummins Inc.
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
3897787 PRIMARY	Cummins Inc. (USA)

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 5331-01-688-1943?

NSN 5331-01-688-1943 is a O-Ring, manufactured by Cummins Inc., classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-688-1943?

NSN 5331-01-688-1943 has 1 manufacturer part number on file: 3897787 (Cummins Inc.).

What are the specifications of 3897787?

Key specifications for 3897787: Part Name Assigned by Controlling Agency: O RING SEAL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-688-1943 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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