PartsTable TECHNICAL DATA SHEET

NSN 5325-01-211-0550Government record, cited

Ring, Retaining5325-01-211-0550

NSN 5325-01-211-0550 · NIIN 012110550 · Part number 401175-1098

Trillium Pumps Usa, Inc. · FSC 5325 — Fastening Devices · FSG 53 — Hardware and Abrasives · CAGE 08239

Government record, cited

NSN 5325-01-211-0550 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-211-0550. Manufacturer of record part number: 401175-1098.

Also searched as 5325-01-211-0550 · 5325012110550 · NIIN 012110550 · 01-211-0550 · FSC 5325 Fastening Devices · CAGE 08239 · 401175-1098 · 543211-10

Nearby stock numbers ← 5325-01-211-0549 · 5325-01-211-0551 →

Features

Ring,retaining — FSC 5325
1 manufacturer part number on file
Manufacturer of record: Trillium Pumps Usa, Inc.

Identification

NSN: 5325-01-211-0550
NIIN: 012110550
FSC: 5325 — Fastening Devices
FSG: 53 — Hardware and Abrasives
Primary part number: 401175-1098
Manufacturer: Trillium Pumps Usa, Inc.

General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-211-0550, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Trillium Pumps Usa, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	Ring,retaining
FSC / FSG	5325 — Fastening Devices (FSG 53)
Manufacturers	Trillium Pumps Usa, Inc. (CAGE 08239)

Technical Specifications

Parameter	Value
NSN	5325-01-211-0550
Primary Part Number	401175-1098
Item Name	Ring,retaining
FSC / FSG	5325 / 53 — Fastening Devices
Manufacturer	Trillium Pumps Usa, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
401175-1098 PRIMARY	Trillium Pumps Usa, Inc. (USA)

Reference documents

Reference	Meaning
543211-10	5/9 Secondary reference Trillium Pumps Usa, Inc.

No interchangeability data on file.

Other items in FSC 5325 — Fastening Devices

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

5325-00-000-1884

5325-00-000-1884 · Item name not on file

5325-00-000-9988

5325-00-000-9988 · Item name not on file

5325-00-001-1567

RING,RETAINING

5325-00-001-2043

FASTENER,PANEL

5325-00-001-3842

RING,RETAINING

5325-00-001-3858

5325-00-001-3858 · Item name not on file

5325-00-001-3871

RING,RETAINING

5325-00-001-4317

RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-211-0550?

NSN 5325-01-211-0550 is a Ring,retaining, manufactured by Trillium Pumps Usa, Inc., classified under FSC 5325, Fastening Devices. Status: active.

What part numbers are listed for NSN 5325-01-211-0550?

NSN 5325-01-211-0550 has 1 manufacturer part number on file: 401175-1098 (Trillium Pumps Usa, Inc.).

Is NSN 5325-01-211-0550 hazardous material?

No hazard code in the DLA record (HMIC N). 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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