PartsTable TECHNICAL DATA SHEET

NSN 5330-01-657-6191Government record, cited

Seal Ring, Metal5330-01-657-6191

NSN 5330-01-657-6191 · NIIN 016576191 · Part number 8R.28X.40XDP

Diequa Corp · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 4PSQ9

Government record, cited

NSN 5330-01-657-6191 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-657-6191. Manufacturer of record part number: 8R.28X.40XDP.

Also searched as 5330-01-657-6191 · 5330016576191 · NIIN 016576191 · 01-657-6191 · FSC 5330 Packing and Gasket Materials · CAGE 4PSQ9 · 8R.28X.40XDP · 1S302.021936 REV. POS.080

Nearby stock numbers ← 5330-01-657-6160 Parts Kit, Seal Replacement, Mecha · 5330-01-657-6237 Parts Kit, Seal Replacement, Mecha →

5330-01-657-6191 — Packing and Gasket Materials

Features

Seal Ring,metal — FSC 5330
1 manufacturer part number on file
Manufacturer of record: Diequa Corp

Identification

NSN: 5330-01-657-6191
NIIN: 016576191
FSC: 5330 — Packing and Gasket Materials
FSG: 53 — Hardware and Abrasives
Primary part number: 8R.28X.40XDP
Manufacturer: Diequa Corp

General Description

The Seal Ring,metal, cataloged under National Stock Number 5330-01-657-6191, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Diequa Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Seal Ring,metal
FSC / FSG	5330 — Packing and Gasket Materials (FSG 53)
Manufacturers	Diequa Corp (CAGE 4PSQ9)

Technical Specifications

Parameter	Value
NSN	5330-01-657-6191
Primary Part Number	8R.28X.40XDP
Item Name	Seal Ring,metal
FSC / FSG	5330 / 53 — Packing and Gasket Materials
Manufacturer	Diequa Corp
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
8R.28X.40XDP PRIMARY	Diequa Corp (USA)

Reference documents

Reference	Meaning
1S302.021936 REV. POS.080	C/1 Advisory reference — outside the item-of-supply concept Diequa Corp

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 5330-01-657-6191?

NSN 5330-01-657-6191 is a Seal Ring,metal, manufactured by Diequa Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.

What part numbers are listed for NSN 5330-01-657-6191?

NSN 5330-01-657-6191 has 1 manufacturer part number on file: 8R.28X.40XDP (Diequa Corp).

Is NSN 5330-01-657-6191 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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