Seal Assembly, Shaft, Spring Loade4320-01-415-5275

NSN 4320-01-415-5275 · NIIN 014155275 · Part number D-4074-65-2491

Buffaloes Fire Pump Inc. Dba R B Pump Co · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 62503

Government record, cited

NSN 4320-01-415-5275 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-415-5275. Manufacturer of record part number: D-4074-65-2491.

Also searched as 4320-01-415-5275 · 4320014155275 · NIIN 014155275 · 01-415-5275 · FSC 4320 Power and Hand Pumps · CAGE 62503 · D-4074-65-2491

Nearby stock numbers ← 4320-01-415-4996 Slipper, Pump · 4320-01-415-5791 Pumping Unit, Hydraulic, Power Dri →

Features

Seal Assembly,shaft,spring Loade — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Buffaloes Fire Pump Inc. Dba R B Pump Co

Identification

NSN: 4320-01-415-5275
NIIN: 014155275
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: D-4074-65-2491
Manufacturer: Buffaloes Fire Pump Inc. Dba R B Pump Co

General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-415-5275, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. 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	4320-01-415-5275
Primary Part Number	D-4074-65-2491
Item Name	Seal Assembly,shaft,spring Loade
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Buffaloes Fire Pump Inc. Dba R B Pump Co
Status	ACTIVE

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
D-4074-65-2491 PRIMARY	Buffaloes Fire Pump Inc. Dba R B Pump Co (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 4320-01-415-5275?

NSN 4320-01-415-5275 is a Seal Assembly,shaft,spring Loade, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-415-5275?

NSN 4320-01-415-5275 has 1 manufacturer part number on file: D-4074-65-2491 (Buffaloes Fire Pump Inc. Dba R B Pump Co).

What are the specifications of D-4074-65-2491?

Key specifications for D-4074-65-2491: Special Features: MECHANICAL SEAL,STAINLESS STEEL/TUNGSTEN CARBIDE/MIL-S-1222 GRADE 316. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-415-5275 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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