Gasket5330-01-133-4780

NSN 5330-01-133-4780 · NIIN 011334780 · Part number B2273

Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 61208

Government record, cited

NSN 5330-01-133-4780 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-133-4780. Manufacturer of record part number: B2273.

Also searched as 5330-01-133-4780 · 5330011334780 · NIIN 011334780 · 01-133-4780 · FSC 5330 Packing and Gasket Materials · CAGE 61208 · B2273

Nearby stock numbers ← 5330-01-133-4779 Gasket · 5330-01-133-4781 Gasket →

5330-01-133-4780 — Packing and Gasket Materials

Features

Gasket — FSC 5330
2 manufacturer part numbers on file
Manufacturer of record: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

Identification

NSN: 5330-01-133-4780
NIIN: 011334780
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: B2273
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Gasket, cataloged under National Stock Number 5330-01-133-4780, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Gasket
FSC / FSG	5330 — Packing and Gasket Materials (FSG 53)
Manufacturers	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (CAGE 61208); Marine & Industrial Transmissions Ltd (CAGE U2621)

Technical Specifications

Parameter	Value
NSN	5330-01-133-4780
Primary Part Number	B2273
Item Name	Gasket
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5360-01-306-2569200021-4 POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

Possible match (shared part number)Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

Cross-Reference Index

Part Number	Manufacturer
B2273 PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
B2273	Marine & Industrial Transmissions Ltd (GBR)

Related Parts

5360-01-306-2569POSSIBLE MATCH

SPRING,HELICAL,COMPRESSION

200021-4

Frequently Asked Questions

What is NSN 5330-01-133-4780?

NSN 5330-01-133-4780 is a Gasket, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-133-4780?

NSN 5330-01-133-4780 has 2 manufacturer part numbers on file: B2273 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), B2273 (Marine & Industrial Transmissions Ltd).

What NSN replaces 5330-01-133-4780?

1 possible match (shared part number, not a government interchangeability claim): 5360-01-306-2569. Verify interchangeability with system specifications before substitution.

Is NSN 5330-01-133-4780 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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