Seal Assembly, Shaft, Spring Loade4320-01-025-6340

NSN 4320-01-025-6340 · NIIN 010256340 · Part number 600421C

Admiral Filter Company Llc · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 25204

Government record, cited

NSN 4320-01-025-6340 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-025-6340. Manufacturer of record part number: 600421C.

Also searched as 4320-01-025-6340 · 4320010256340 · NIIN 010256340 · 01-025-6340 · FSC 4320 Power and Hand Pumps · CAGE 25204 · 600421C · 600415CITEM1

Nearby stock numbers ← 4320-01-025-6295 · 4320-01-025-6523 →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
General Characteristics Item Description: CONSISTS OF 1 RETAINING RING P/NO. 201348,1 SPRING P/NO. 201347,1 HOUSIBG ASSY P/NO. 600417C,1SPRING BACKUP ASSY P/N0. 600422C,1 RELIEF VALVE SEAL ASSY P/NO. 600421C
2 manufacturer part numbers on file
Manufacturer of record: Admiral Filter Company Llc

Identification

NSN: 4320-01-025-6340
NIIN: 010256340
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 600421C
Manufacturer: Admiral Filter Company Llc

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-025-6340, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Admiral Filter Company Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-025-6340
Primary Part Number	600421C
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Admiral Filter Company Llc
Status	ACTIVE
General Characteristics Item Description	CONSISTS OF 1 RETAINING RING P/NO. 201348,1 SPRING P/NO. 201347,1 HOUSIBG ASSY P/NO. 600417C,1SPRING BACKUP ASSY P/N0. 600422C,1 RELIEF VALVE SEAL ASSY P/NO. 600421C

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
600421C PRIMARY	Admiral Filter Company Llc (USA)
600415CITEM1	Admiral Filter Company Llc (USA)

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 4320-01-025-6340?

NSN 4320-01-025-6340 is a Seal Assembly,shaft,spring Loade, manufactured by Admiral Filter Company Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-025-6340?

NSN 4320-01-025-6340 has 2 manufacturer part numbers on file: 600421C (Admiral Filter Company Llc), 600415CITEM1 (Admiral Filter Company Llc).

What are the specifications of 600421C?

Key specifications for 600421C: General Characteristics Item Description: CONSISTS OF 1 RETAINING RING P/NO. 201348,1 SPRING P/NO. 201347,1 HOUSIBG ASSY P/NO. 600417C,1SPRING BACKUP ASSY P/N0. 600422C,1 RELIEF VALVE SEAL ASSY P/NO. 600421C. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-025-6340 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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