Back-Up Ring, Preformed Packing5330-01-546-7670

NSN 5330-01-546-7670 · NIIN 015467670 · Part number 241-2.00IN PG8 IT8

Ernst, John C & Co, Inc. · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 51857

Government record, cited

NSN 5330-01-546-7670 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-546-7670. Manufacturer of record part number: 241-2.00IN PG8 IT8.

Also searched as 5330-01-546-7670 · 5330015467670 · NIIN 015467670 · 01-546-7670 · FSC 5330 Packing and Gasket Materials · CAGE 51857 · 241-2.00IN PG8 IT8 · E20024 REV H P/N-241-2.00IN IT8

Nearby stock numbers ← 5330-01-546-7648 Gasket · 5330-01-546-7672 Gasket →

5330-01-546-7670 — Packing and Gasket Materials

Features

Back-Up Ring,preformed Packing — FSC 5330
2 manufacturer part numbers on file
Manufacturer of record: Ernst, John C & Co, Inc.

Identification

NSN: 5330-01-546-7670
NIIN: 015467670
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 241-2.00IN PG8 IT8
Manufacturer: Ernst, John C & Co, Inc.

General Description

The Back-Up Ring,preformed Packing, cataloged under National Stock Number 5330-01-546-7670, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Ernst, John C & Co, Inc.. 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	5330-01-546-7670
Primary Part Number	241-2.00IN PG8 IT8
Item Name	Back-Up Ring,preformed Packing
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Ernst, John C & Co, Inc.
Status	ACTIVE

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
E20024 REV H P/N-241-2.00IN IT8	Ernst, John C & Co, Inc. (USA)
241-2.00IN PG8 IT8 PRIMARY	Ernst, John C & Co, Inc. (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 5330-01-546-7670?

NSN 5330-01-546-7670 is a Back-Up Ring,preformed Packing, manufactured by Ernst, John C & Co, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-546-7670?

NSN 5330-01-546-7670 has 2 manufacturer part numbers on file: E20024 REV H P/N-241-2.00IN IT8 (Ernst, John C & Co, Inc.), 241-2.00IN PG8 IT8 (Ernst, John C & Co, Inc.).

What are the specifications of 241-2.00IN PG8 IT8?

Key specifications for 241-2.00IN PG8 IT8: End Item Identification: SIGHT FLOW 241-2.00IN IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-546-7670 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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