PartsTable TECHNICAL DATA SHEET

NSN 5331-01-421-8881Government record, cited

O-Ring5331-01-421-8881

NSN 5331-01-421-8881 · NIIN 014218881 · Part number KC004553 NO.14

Nakakita Seisakusho Co. Ltd · FSC 5331 — O-ring · FSG 53 — Hardware and Abrasives · CAGE J3237

Government record, cited

NSN 5331-01-421-8881 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-421-8881. Manufacturer of record part number: KC004553 NO.14.

Also searched as 5331-01-421-8881 · 5331014218881 · NIIN 014218881 · 01-421-8881 · FSC 5331 O-ring · CAGE J3237 · KC004553 NO.14 · NS 770 C NO.14 · KC004553 PIECE 14 · NS 770 C NO.14

Nearby stock numbers ← 5331-01-421-8880 O-Ring · 5331-01-421-8891 O-Ring →

5331-01-421-8881 — O-ring

Features

O-Ring — FSC 5331
3 manufacturer part numbers on file
Manufacturer of record: Nakakita Seisakusho Co. Ltd

Identification

NSN: 5331-01-421-8881
NIIN: 014218881
FSC: 5331 — O-ring
FSG: 53 — Hardware and Abrasives
Primary part number: KC004553 NO.14
Manufacturer: Nakakita Seisakusho Co. Ltd

General Description

The O-Ring, cataloged under National Stock Number 5331-01-421-8881, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Nakakita Seisakusho Co. Ltd. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Nakakita Seisakusho Co. Ltd (CAGE J3237)

Technical Specifications

Parameter	Value
NSN	5331-01-421-8881
Primary Part Number	KC004553 NO.14
Item Name	O-Ring
FSC / FSG	5331 / 53 — O-ring
Manufacturer	Nakakita Seisakusho Co. Ltd
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
KC004553 NO.14 PRIMARY	Nakakita Seisakusho Co. Ltd (JPN)
NS 770 C NO.14	Nakakita Seisakusho Co. Ltd (JPN)
KC004553 PIECE 14 PRIMARY	Nakakita Seisakusho Co. Ltd (JPN)

Reference documents

Reference	Meaning
KC004553 NO.14	5/9 Secondary reference Nakakita Seisakusho Co. Ltd
KC004553 PIECE 14	3/9 Design control — primary reference Nakakita Seisakusho Co. Ltd
NS 770 C NO.14	5/9 Secondary reference Nakakita Seisakusho Co. Ltd

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 5331-01-421-8881?

NSN 5331-01-421-8881 is a O-Ring, manufactured by Nakakita Seisakusho Co. Ltd, classified under FSC 5331, O-ring. Status: active.

What part numbers are listed for NSN 5331-01-421-8881?

NSN 5331-01-421-8881 has 3 manufacturer part numbers on file: KC004553 NO.14 (Nakakita Seisakusho Co. Ltd), NS 770 C NO.14 (Nakakita Seisakusho Co. Ltd), KC004553 PIECE 14 (Nakakita Seisakusho Co. Ltd).

Is NSN 5331-01-421-8881 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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