O-Ring5331-01-650-9621

NSN 5331-01-650-9621 · NIIN 016509621 · Part number A-1633-53

Cessna Aircraft Co Mccauley Accessory Div · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE 76275

Government record, cited

NSN 5331-01-650-9621 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-650-9621. Manufacturer of record part number: A-1633-53.

Also searched as 5331-01-650-9621 · 5331016509621 · NIIN 016509621 · 01-650-9621 · FSC 5331 O-ring · CAGE 76275 · A-1633-53

Nearby stock numbers ← 5331-01-650-9620 O-Ring · 5331-01-651-0095 O-Ring →

5331-01-650-9621 — O-ring

Features

O-Ring — FSC 5331
1 manufacturer part number on file
Manufacturer of record: Cessna Aircraft Co Mccauley Accessory Div

Identification

NSN: 5331-01-650-9621
NIIN: 016509621
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: A-1633-53
Manufacturer: Cessna Aircraft Co Mccauley Accessory Div

General Description

The O-Ring, cataloged under National Stock Number 5331-01-650-9621, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cessna Aircraft Co Mccauley Accessory Div. 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	5331-01-650-9621
Primary Part Number	A-1633-53
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Cessna Aircraft Co Mccauley Accessory Div
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
A-1633-53 PRIMARY	Cessna Aircraft Co Mccauley Accessory Div (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 5331-01-650-9621?

NSN 5331-01-650-9621 is a O-Ring, manufactured by Cessna Aircraft Co Mccauley Accessory Div, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-650-9621?

NSN 5331-01-650-9621 has 1 manufacturer part number on file: A-1633-53 (Cessna Aircraft Co Mccauley Accessory Div).

What are the specifications of A-1633-53?

Key specifications for A-1633-53: Part Name Assigned by Controlling Agency: O-RING. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5331-01-650-9621 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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