Parts Kit, Seal Replacement, Mecha5330-01-643-1888

NSN 5330-01-643-1888 · NIIN 016431888 · Part number 456-2522

Caterpillar Inc Div Caterpillar Defense · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 11083

Government record, cited

NSN 5330-01-643-1888 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-643-1888. Manufacturer of record part number: 456-2522.

Also searched as 5330-01-643-1888 · 5330016431888 · NIIN 016431888 · 01-643-1888 · FSC 5330 Packing and Gasket Materials · CAGE 11083 · 456-2522 · 4200457

Nearby stock numbers ← 5330-01-643-1886 Parts Kit, Seal Replacement, Mecha · 5330-01-643-1958 Packing, Preformed →

5330-01-643-1888 — Packing and Gasket Materials

Features

Parts Kit,seal Replacement,mecha — FSC 5330
Component Quantity: 60
Document Type: DESIGN CONTROL DRAWING
Supply Items and Quantities: 5365-01-564-4772 SLEEVE,OIL PAN; 5331-01-579-3997 O-RING; 5331-01-562-1661 SEAL,O-RING; 5331-01-578-6961 O-RING; 5331-01-524-4670 O-RING; 5331-01-564-4797 SEAL,O-RING; 5331-01-507-4023 SEAL,O-RING; 5331-01-183-1281 O-RING; 5331-01-351-2739 O-RING; 5331-01-413-2754 SEAL,O-RIG; 5331-01-041-2008 O-RING; 5331-01-425-1602 O-RING; 5331-01-289-9129 O-RING; 5331-01-045-5605 O-RING; 5330-01-564-4437 GASKET; 5330-01-533-7331 GASKET; 5340-01-506-8656 PLUG; 5330-01-506-8656 GASKET
Component Document Origin: INDUSTRIAL
Document Source: 75Q65
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 5330-01-643-1888
NIIN: 016431888
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 456-2522
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Parts Kit,seal Replacement,mecha, cataloged under National Stock Number 5330-01-643-1888, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5330-01-643-1888
Primary Part Number	456-2522
Item Name	Parts Kit,seal Replacement,mecha
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Component Quantity	60
Document Type	DESIGN CONTROL DRAWING
Supply Items and Quantities	5365-01-564-4772 SLEEVE,OIL PAN; 5331-01-579-3997 O-RING; 5331-01-562-1661 SEAL,O-RING; 5331-01-578-6961 O-RING; 5331-01-524-4670 O-RING; 5331-01-564-4797 SEAL,O-RING; 5331-01-507-4023 SEAL,O-RING; 5331-01-183-1281 O-RING; 5331-01-351-2739 O-RING; 5331-01-413-2754 SEAL,O-RIG; 5331-01-041-2008 O-RING; 5331-01-425-1602 O-RING; 5331-01-289-9129 O-RING; 5331-01-045-5605 O-RING; 5330-01-564-4437 GASKET; 5330-01-533-7331 GASKET; 5340-01-506-8656 PLUG; 5330-01-506-8656 GASKET
Component Document Origin	INDUSTRIAL
Document Source	75Q65

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
456-2522 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)
4200457	Oshkosh Defense Llc (USA)

No interchangeability data on file.

Other items in FSC 5330 — Packing and Gasket Materials

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5330-00-000-0085

RETAINER

5330-00-000-0167

PARTS KIT,SEAL REPLACEMENT,MECHA

5330-00-000-5275

5330-00-000-5275 · Item name not on file

5330-00-001-1260

SEAL,NONMETALLIC SPECIAL SHAPED

5330-00-001-1833

SEAL,PLAIN ENCASED

5330-00-001-1844

GLAND,RESERVOIR,INDICATOR END

5330-00-001-1845

5330-00-001-1845 · Item name not on file

5330-00-001-1846

5330-00-001-1846 · Item name not on file

Frequently Asked Questions

What is NSN 5330-01-643-1888?

NSN 5330-01-643-1888 is a Parts Kit,seal Replacement,mecha, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-643-1888?

NSN 5330-01-643-1888 has 2 manufacturer part numbers on file: 456-2522 (Caterpillar Inc Div Caterpillar Defense), 4200457 (Oshkosh Defense Llc).

What are the specifications of 456-2522?

Key specifications for 456-2522: Component Quantity: 60; Document Type: DESIGN CONTROL DRAWING; Supply Items and Quantities: 5365-01-564-4772 SLEEVE,OIL PAN; 5331-01-579-3997 O-RING; 5331-01-562-1661 SEAL,O-RING; 5331-01-578-6961 O-RING; 5331-01-524-4670 O-RING; 5331-01-564-4797 SEAL,O-RING; 5331-01-507-4023 SEAL,O-RING; 5331-01-183-1281 O-RING; 5331-01-351-2739 O-RING; 5331-01-413-2754 SEAL,O-RIG; 5331-01-041-2008 O-RING; 5331-01-425-1602 O-RING; 5331-01-289-9129 O-RING; 5331-01-045-5605 O-RING; 5330-01-564-4437 GASKET; 5330-01-533-7331 GASKET; 5340-01-506-8656 PLUG; 5330-01-506-8656 GASKET; Component Document Origin: INDUSTRIAL. 5 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-643-1888 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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