PartsTable TECHNICAL DATA SHEET

NSN 4320-01-438-3381Government record, cited

Seal Assembly, Shaft, Spring Loade4320-01-438-3381

NSN 4320-01-438-3381 · NIIN 014383381 · Part number 091-087-02-0274

Carver Pump Company · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 10941

Government record, cited

NSN 4320-01-438-3381 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-438-3381. Manufacturer of record part number: 091-087-02-0274.

Also searched as 4320-01-438-3381 · 4320014383381 · NIIN 014383381 · 01-438-3381 · FSC 4320 Power and Hand Pumps · CAGE 10941 · 091-087-02-0274 · N-999-6082-A-007 ITEM 29 · B01193

Nearby stock numbers ← 4320-01-438-3316 Parts Kit, Hydraulic Motor · 4320-01-438-3448 Impeller, Pump, Centrifugal →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
3 manufacturer part numbers on file
Manufacturer of record: Carver Pump Company

Identification

NSN: 4320-01-438-3381
NIIN: 014383381
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 091-087-02-0274
Manufacturer: Carver Pump Company

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-438-3381, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	John Crane, Inc (CAGE 71724); Carver Pump Company (CAGE 10941)

Technical Specifications

Parameter	Value
NSN	4320-01-438-3381
Primary Part Number	091-087-02-0274
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Carver Pump Company
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
B01193	John Crane, Inc (USA)
091-087-02-0274 PRIMARY	Carver Pump Company (USA)
091-087-02-0274	John Crane, Inc (USA)

Reference documents

Reference	Meaning
N-999-6082-A-007 ITEM 29	5/9 Secondary reference Carver Pump Company

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 4320-01-438-3381?

NSN 4320-01-438-3381 is a Seal Assembly,shaft,spring Loade, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-438-3381?

NSN 4320-01-438-3381 has 3 manufacturer part numbers on file: B01193 (John Crane, Inc), 091-087-02-0274 (Carver Pump Company), 091-087-02-0274 (John Crane, Inc).

Is NSN 4320-01-438-3381 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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