NSN 5310-00-352-7289 · NIIN 003527289 · Part number 1A3544
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-00-352-7289 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-352-7289. Manufacturer of record part number: 1A3544.
Also searched as5310-00-352-7289 ·
5310003527289 ·
NIIN 003527289 ·
00-352-7289 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 1A3544
External Straight Key Width: 0.375 INCHES NOMINAL IN
Distance From Centerline to End of Key: 0.688 INCHES NOMINAL IN
Material: STEEL OVERALL
Hole Diameter: 0.531 INCHES NOMINAL IN
Identification
NSN: 5310-00-352-7289
NIIN: 003527289
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1A3544
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Washer,key, cataloged under National Stock Number 5310-00-352-7289, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 specifications, 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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-00-352-7289?
NSN 5310-00-352-7289 is a Washer,key, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-352-7289?
NSN 5310-00-352-7289 has 1 manufacturer part number on file: 1A3544 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 1A3544?
Key specifications for 1A3544: Style Designator: KEY; Outside Diameter: 1.000 INCHES NOMINAL IN; Material Thickness: 0.035 INCHES NOMINAL IN; External Straight Key Width: 0.375 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-352-7289 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.