Seal Assembly, Shaft, Spring Loade4320-01-438-6591

NSN 4320-01-438-6591 · NIIN 014386591 · Part number PL-999F0840-13

Circor Naval Solutions Llc Dba Warren Pumps · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 63857

Government record, cited

NSN 4320-01-438-6591 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-438-6591. Manufacturer of record part number: PL-999F0840-13.

Also searched as 4320-01-438-6591 · 4320014386591 · NIIN 014386591 · 01-438-6591 · FSC 4320 Power and Hand Pumps · CAGE 63857 · PL-999F0840-13 · B32994 · H-SP-11393-1

Nearby stock numbers ← 4320-01-438-6450 Pump Unit, Rotary · 4320-01-438-6737 Impeller, Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
2 manufacturer part numbers on file
Manufacturer of record: Circor Naval Solutions Llc Dba Warren Pumps

Identification

NSN: 4320-01-438-6591
NIIN: 014386591
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: PL-999F0840-13
Manufacturer: Circor Naval Solutions Llc Dba Warren Pumps

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-438-6591, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 — Power and Hand Pumps (FSG 43)
Manufacturers	John Crane, Inc (CAGE 71724); Circor Naval Solutions Llc Dba Warren Pumps (CAGE 63857)

Technical Specifications

Parameter	Value
NSN	4320-01-438-6591
Primary Part Number	PL-999F0840-13
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Circor Naval Solutions Llc Dba Warren Pumps
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
B32994	John Crane, Inc (USA)
PL-999F0840-13 PRIMARY	Circor Naval Solutions Llc Dba Warren Pumps (USA)

Reference documents

Reference	Meaning
H-SP-11393-1	5/9 Secondary reference John Crane, Inc

Frequently Asked Questions

What is NSN 4320-01-438-6591?

NSN 4320-01-438-6591 is a Seal Assembly,shaft,spring Loade, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-438-6591?

NSN 4320-01-438-6591 has 2 manufacturer part numbers on file: B32994 (John Crane, Inc), PL-999F0840-13 (Circor Naval Solutions Llc Dba Warren Pumps).

Is NSN 4320-01-438-6591 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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