NSN 5340-01-697-5906 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-697-5906. Manufacturer of record part number: 521-3758.
Also searched as5340-01-697-5906 ·
5340016975906 ·
NIIN 016975906 ·
01-697-5906 ·
FSC 5340 Hardware, Commercial · CAGE 11083 · 521-3758
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 5340-01-697-5906
NIIN: 016975906
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 521-3758
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Connecting Link,rigid, cataloged under National Stock Number 5340-01-697-5906, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-01-697-5906
Primary Part Number
521-3758
Item Name
Connecting Link,rigid
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Material
STEEL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5340-00-000-0132
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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 5340-01-697-5906?
NSN 5340-01-697-5906 is a Connecting Link,rigid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-697-5906?
NSN 5340-01-697-5906 has 1 manufacturer part number on file: 521-3758 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 521-3758?
Key specifications for 521-3758: Overall Length: 12.40 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: ROD AS; End Item Identification: 2410-01-680-0099; Material: STEEL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5340-01-697-5906 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.