Extension Spring Kit4320-01-652-8184

NSN 4320-01-652-8184 · NIIN 016528184 · Part number LP629

Lawson Products, Inc. · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 57648

Government record, cited

NSN 4320-01-652-8184 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-652-8184. Manufacturer of record part number: LP629.

Also searched as 4320-01-652-8184 · 4320016528184 · NIIN 016528184 · 01-652-8184 · FSC 4320 Power and Hand Pumps · CAGE 57648 · LP629

Nearby stock numbers ← 4320-01-652-8107 Repair Kit, Pumping Assembly · 4320-01-652-9130 Pump, Centrifugal →

Features

Extension Spring Kit — FSC 4320
1 manufacturer part number on file
Manufacturer of record: Lawson Products, Inc.

Identification

NSN: 4320-01-652-8184
NIIN: 016528184
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: LP629
Manufacturer: Lawson Products, Inc.

General Description

The Extension Spring Kit, cataloged under National Stock Number 4320-01-652-8184, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Lawson Products, Inc.. 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	4320-01-652-8184
Primary Part Number	LP629
Item Name	Extension Spring Kit
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Lawson Products, Inc.
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
LP629 PRIMARY	Lawson Products, Inc. (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 4320-01-652-8184?

NSN 4320-01-652-8184 is a Extension Spring Kit, manufactured by Lawson Products, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-652-8184?

NSN 4320-01-652-8184 has 1 manufacturer part number on file: LP629 (Lawson Products, Inc.).

What are the specifications of LP629?

Key specifications for LP629: Special Features: 3/16 TO 7/8 OUTSIDE DIAMETER; 7/8 TO 2 INCH LENGTH; STEEL; NUMBER OF PIECES 322; 40 ITEMS IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4320-01-652-8184 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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