Seal Assembly, Shaft, Spring Loade4320-00-072-4525

NSN 4320-00-072-4525 · NIIN 000724525 · Part number 3-3B002BG18

Eaton Corporation Dba Eaton Inoac Div Eaton · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 77842

Government record, cited

NSN 4320-00-072-4525 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-072-4525. Manufacturer of record part number: 3-3B002BG18.

Also searched as 4320-00-072-4525 · 4320000724525 · NIIN 000724525 · 00-072-4525 · FSC 4320 Power and Hand Pumps · CAGE 77842 · 3-3B002BG18

Nearby stock numbers ← 4320-00-072-4468 Strainer Basket, Eje · 4320-00-072-4526 Seal Assembly, Shaft, Spring Loade →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
General Characteristics Item Description: CONSISTS OF 1 CUP P/N 3-31131SS,1 S.R. COMPONENT P/N 3-311321/SSC2,1 S.R. SHELL P/N 3-311322/SS,1 S.R. INSERT P/N 3-311323/C2,1 SPRING P/N 3-31133SS,1 EXPANDER P/N X1135SS,1 V-PACKING P/N 3-V1134NEF,1.751 IN. OD BY 1.155 IN. ID BY 0.531 IN. W V
1 manufacturer part number on file
Manufacturer of record: Eaton Corporation Dba Eaton Inoac Div Eaton

Identification

NSN: 4320-00-072-4525
NIIN: 000724525
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 3-3B002BG18
Manufacturer: Eaton Corporation Dba Eaton Inoac Div Eaton

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-072-4525, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Corporation Dba Eaton Inoac Div Eaton. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-00-072-4525
Primary Part Number	3-3B002BG18
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Eaton Corporation Dba Eaton Inoac Div Eaton
Status	ACTIVE
General Characteristics Item Description	CONSISTS OF 1 CUP P/N 3-31131SS,1 S.R. COMPONENT P/N 3-311321/SSC2,1 S.R. SHELL P/N 3-311322/SS,1 S.R. INSERT P/N 3-311323/C2,1 SPRING P/N 3-31133SS,1 EXPANDER P/N X1135SS,1 V-PACKING P/N 3-V1134NEF,1.751 IN. OD BY 1.155 IN. ID BY 0.531 IN. W V

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
3-3B002BG18 PRIMARY	Eaton Corporation Dba Eaton Inoac Div Eaton (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 4320-00-072-4525?

NSN 4320-00-072-4525 is a Seal Assembly,shaft,spring Loade, manufactured by Eaton Corporation Dba Eaton Inoac Div Eaton, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-00-072-4525?

NSN 4320-00-072-4525 has 1 manufacturer part number on file: 3-3B002BG18 (Eaton Corporation Dba Eaton Inoac Div Eaton).

What are the specifications of 3-3B002BG18?

Key specifications for 3-3B002BG18: General Characteristics Item Description: CONSISTS OF 1 CUP P/N 3-31131SS,1 S.R. COMPONENT P/N 3-311321/SSC2,1 S.R. SHELL P/N 3-311322/SS,1 S.R. INSERT P/N 3-311323/C2,1 SPRING P/N 3-31133SS,1 EXPANDER P/N X1135SS,1 V-PACKING P/N 3-V1134NEF,1.751 IN. OD BY 1.155 IN. ID BY 0.531 IN. W V. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-00-072-4525 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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