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NSN 4320-01-310-9780Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-310-9780

NSN 4320-01-310-9780 · NIIN 013109780 · Part number FSD-3000ATY1SZ1.375-BFMDM

Defense Maritime Solutions, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0EYA6

Government record, cited

NSN 4320-01-310-9780 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-310-9780. Manufacturer of record part number: FSD-3000ATY1SZ1.375-BFMDM.

Also searched as 4320-01-310-9780 · 4320013109780 · NIIN 013109780 · 01-310-9780 · FSC 4320 Power and Hand Pumps · CAGE 0EYA6 · FSD-3000ATY1SZ1.375-BFMDM

Nearby stock numbers ← 4320-01-310-8061 Impeller, Pump, Centrifugal · 4320-01-311-0098 Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Defense Maritime Solutions, Inc.

Identification

NSN: 4320-01-310-9780
NIIN: 013109780
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: FSD-3000ATY1SZ1.375-BFMDM
Manufacturer: Defense Maritime Solutions, Inc.

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-310-9780, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications

Parameter	Value
NSN	4320-01-310-9780
Primary Part Number	FSD-3000ATY1SZ1.375-BFMDM
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Defense Maritime Solutions, 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)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
FSD-3000ATY1SZ1.375-BFMDM	John Crane, Inc (USA)
FSD-3000ATY1SZ1.375-BFMDM PRIMARY	Defense Maritime Solutions, Inc. (USA)

Reference documents

Reference	Meaning
FSD-3000ATY1SZ1.375-BFMDM	5/9 Secondary reference Wartsila Lips Inc

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

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

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-310-9780?

NSN 4320-01-310-9780 is a Seal Assembly,shaft,spring Loade, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-310-9780?

NSN 4320-01-310-9780 has 2 manufacturer part numbers on file: FSD-3000ATY1SZ1.375-BFMDM (John Crane, Inc), FSD-3000ATY1SZ1.375-BFMDM (Defense Maritime Solutions, Inc.).

What are the specifications of FSD-3000ATY1SZ1.375-BFMDM?

Key specifications for FSD-3000ATY1SZ1.375-BFMDM: End Item Identification: PUMP CTFGL. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-310-9780 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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