Seal Ring, Metal5330-01-156-4497

NSN 5330-01-156-4497 · NIIN 011564497 · Part number M-1904-GQ

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 5330-01-156-4497 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-156-4497. Manufacturer of record part number: M-1904-GQ.

Also searched as 5330-01-156-4497 · 5330011564497 · NIIN 011564497 · 01-156-4497 · FSC 5330 Packing and Gasket Materials · CAGE 61208 · M-1904-GQ · 1T1621

Nearby stock numbers ← 5330-01-156-4435 Packing Assembly · 5330-01-156-4827 →

5330-01-156-4497 — Packing and Gasket Materials

Features

Seal Ring,metal — FSC 5330
Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE
Outside Diameter: 101.600 MILLIMETERS NOMINAL MM
Joint Style: INTERLOCKING JOINT
Radial Wall Thickness: 3.5000 MILLIMETERS NOMINAL MM
Ring Style: EXPANDING CONCENTRIC
Material: IRON OVERALL
2 manufacturer part numbers on file

Identification

NSN: 5330-01-156-4497
NIIN: 011564497
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: M-1904-GQ
Manufacturer: Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic

General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-01-156-4497, 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. Government technical data includes 6 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	5330-01-156-4497
Primary Part Number	M-1904-GQ
Item Name	Seal Ring,metal
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Status	ACTIVE
Cross-Sectional Shape Style	PLAIN RECTANGULAR, STRAIGHT FACE
Outside Diameter	101.600 MILLIMETERS NOMINAL MM
Joint Style	INTERLOCKING JOINT
Radial Wall Thickness	3.5000 MILLIMETERS NOMINAL MM
Ring Style	EXPANDING CONCENTRIC
Material	IRON OVERALL

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
M-1904-GQ PRIMARY	Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA)
1T1621	Caterpillar Inc Div Caterpillar Defense (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 5330-01-156-4497?

NSN 5330-01-156-4497 is a Seal Ring,metal, 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 5330-01-156-4497?

NSN 5330-01-156-4497 has 2 manufacturer part numbers on file: M-1904-GQ (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 1T1621 (Caterpillar Inc Div Caterpillar Defense).

What are the specifications of M-1904-GQ?

Key specifications for M-1904-GQ: Overall Width: 3.1370 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Outside Diameter: 101.600 MILLIMETERS NOMINAL MM; Joint Style: INTERLOCKING JOINT. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5330-01-156-4497 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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