PartsTable TECHNICAL DATA SHEET

NSN 4320-01-372-4641Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-372-4641

NSN 4320-01-372-4641 · NIIN 013724641 · Part number D-1626-432

Specialty Seals & Accessories, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 0ABT6

Government record, cited

NSN 4320-01-372-4641 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-372-4641. Manufacturer of record part number: D-1626-432.

Also searched as 4320-01-372-4641 · 4320013724641 · NIIN 013724641 · 01-372-4641 · FSC 4320 Power and Hand Pumps · CAGE 0ABT6 · D-1626-432 · NSP-00249 · NSP-00249 · B-41969

Nearby stock numbers ← 4320-01-372-4638 Pump, Reciprocating · 4320-01-372-4926 Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
3 manufacturer part numbers on file
Manufacturer of record: Specialty Seals & Accessories, Inc.

Identification

NSN: 4320-01-372-4641
NIIN: 013724641
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: D-1626-432
Manufacturer: Specialty Seals & Accessories, Inc.

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-372-4641, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Specialty Seals & Accessories, Inc.. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	Defense Maritime Solutions, Inc. (CAGE 0EYA6); John Crane, Inc (CAGE 71724); Specialty Seals & Accessories, Inc. (CAGE 0ABT6)

Technical Specifications

Parameter	Value
NSN	4320-01-372-4641
Primary Part Number	D-1626-432
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Specialty Seals & Accessories, 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
NSP-00249	Defense Maritime Solutions, Inc. (USA)
B-41969	John Crane, Inc (USA)
D-1626-432 PRIMARY	Specialty Seals & Accessories, Inc. (USA)

Reference documents

Reference	Meaning
NSP-00249	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 4320-01-372-4641?

NSN 4320-01-372-4641 is a Seal Assembly,shaft,spring Loade, manufactured by Specialty Seals & Accessories, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-372-4641?

NSN 4320-01-372-4641 has 3 manufacturer part numbers on file: NSP-00249 (Defense Maritime Solutions, Inc.), B-41969 (John Crane, Inc), D-1626-432 (Specialty Seals & Accessories, Inc.).

Is NSN 4320-01-372-4641 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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