Clamp, Block5340-01-721-1665

NSN 5340-01-721-1665 · NIIN 017211665 · Part number 520-100-9010

Universal Sonar Mount · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 68RH1

Government record, cited

NSN 5340-01-721-1665 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-721-1665. Manufacturer of record part number: 520-100-9010.

Also searched as 5340-01-721-1665 · 5340017211665 · NIIN 017211665 · 01-721-1665 · FSC 5340 Hardware, Commercial · CAGE 68RH1 · 520-100-9010

Nearby stock numbers ← 5340-01-721-1659 Retainer, Cover · 5340-01-721-1695 Bracket, Mounting →

Features

Clamp,block — FSC 5340
1 manufacturer part number on file
Manufacturer of record: Universal Sonar Mount

Identification

NSN: 5340-01-721-1665
NIIN: 017211665
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 520-100-9010
Manufacturer: Universal Sonar Mount

General Description

The Clamp,block, cataloged under National Stock Number 5340-01-721-1665, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Universal Sonar Mount. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Clamp,block
FSC / FSG	5340 — Hardware, Commercial (FSG 53)
Manufacturers	Universal Sonar Mount (CAGE 68RH1)

Technical Specifications

Parameter	Value
NSN	5340-01-721-1665
Primary Part Number	520-100-9010
Item Name	Clamp,block
FSC / FSG	5340 / 53 — Hardware, Commercial
Manufacturer	Universal Sonar Mount
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	Possible hazard — SDS may be required (DLA HMIC P)

Cross-Reference Index

Part Number	Manufacturer
520-100-9010 PRIMARY	Universal Sonar Mount (USA)

No interchangeability data on file.

Other items in FSC 5340 — Hardware, Commercial

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5340-00-000-0068

COVER,ACCESS

5340-00-000-0132

SEAT,HELICAL COMPRESSION SPRING

5340-00-000-8150

5340-00-000-8150 · Item name not on file

5340-00-001-1251

5340-00-001-1251 · Item name not on file

5340-00-001-1264

STRAP,WEBBING

5340-00-001-1265

STRAP,WEBBING

5340-00-001-1266

STRAP,WEBBING

5340-00-001-1275

HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-01-721-1665?

NSN 5340-01-721-1665 is a Clamp,block, manufactured by Universal Sonar Mount, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-721-1665?

NSN 5340-01-721-1665 has 1 manufacturer part number on file: 520-100-9010 (Universal Sonar Mount).

Is NSN 5340-01-721-1665 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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