Coupling, Shaft, Flexible3010-01-571-8457

NSN 3010-01-571-8457 · NIIN 015718457 · Part number 640628

Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 07524

Government record, cited

NSN 3010-01-571-8457 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-571-8457. Manufacturer of record part number: 640628.

Also searched as 3010-01-571-8457 · 3010015718457 · NIIN 015718457 · 01-571-8457 · FSC 3010 Torque Converters and Speed Changers · CAGE 07524 · 640628

Nearby stock numbers ← 3010-01-571-8030 Clutch Disk, U2 · 3010-01-571-9238 Carrier, Gear Assembly →

Features

Coupling,shaft,flexible — FSC 3010
1 manufacturer part number on file
Manufacturer of record: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

Identification

NSN: 3010-01-571-8457
NIIN: 015718457
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 640628
Manufacturer: Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer

General Description

The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-571-8457, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. 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	3010-01-571-8457
Primary Part Number	640628
Item Name	Coupling,shaft,flexible
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Manufacturer	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer
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
640628 PRIMARY	Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA)

Frequently Asked Questions

What is NSN 3010-01-571-8457?

NSN 3010-01-571-8457 is a Coupling,shaft,flexible, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-571-8457?

NSN 3010-01-571-8457 has 1 manufacturer part number on file: 640628 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer).

What are the specifications of 640628?

Key specifications for 640628: Special Features: COUPLING IS SIZE 1.625 INCHES (MOTOR) X 1.375 INCHES (PUMP) WITH 2.00 INCH GAP MODEL 7SEMI; THIS UNIT SPEC'D FOR THE 500 GPM ASW PUMP IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-571-8457 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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