NSN 5310-01-398-3674 · NIIN 013983674 · Part number 5640340
J. W. Speaker Corporation Dba Jw Speaker Corp · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 78422
Government record, cited
NSN 5310-01-398-3674 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-398-3674. Manufacturer of record part number: 5640340.
Also searched as5310-01-398-3674 ·
5310013983674 ·
NIIN 013983674 ·
01-398-3674 ·
FSC 5310 Nuts and Washers · CAGE 78422 · 5640340
Hole Diameter: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Identification
NSN: 5310-01-398-3674
NIIN: 013983674
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 5640340
Manufacturer: J. W. Speaker Corporation Dba Jw Speaker Corp
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-398-3674, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is J. W. Speaker Corporation Dba Jw Speaker Corp. 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.
J. W. Speaker Corporation Dba Jw Speaker Corp (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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5310-00-000-1146 · Item name not on file
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5310-00-000-3815 · Item name not on file
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5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-398-3674?
NSN 5310-01-398-3674 is a Washer,lock, manufactured by J. W. Speaker Corporation Dba Jw Speaker Corp, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-398-3674?
NSN 5310-01-398-3674 has 1 manufacturer part number on file: 5640340 (J. W. Speaker Corporation Dba Jw Speaker Corp).
What are the specifications of 5640340?
Key specifications for 5640340: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.683 INCHES MAXIMUM IN; Material Thickness: 0.141 INCHES MINIMUM IN; Color: YELLOW OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-398-3674 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.