NSN 5310-00-220-6541 · NIIN 002206541 · Part number 240137-1
Essex Industries, Inc. Dba Essex Industries · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 55469
Government record, cited
NSN 5310-00-220-6541 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-220-6541. Manufacturer of record part number: 240137-1.
Also searched as5310-00-220-6541 ·
5310002206541 ·
NIIN 002206541 ·
00-220-6541 ·
FSC 5310 Nuts and Washers · CAGE 55469 · 240137-1
Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.896 INCHES MINIMUM AND 0.916 INCHES MAXIMUM IN
Thickness: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
Identification
NSN: 5310-00-220-6541
NIIN: 002206541
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 240137-1
Manufacturer: Essex Industries, Inc. Dba Essex Industries
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-220-6541, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Essex Industries, Inc. Dba Essex Industries. 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.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
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5310-00-000-0079
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5310-00-000-1146
5310-00-000-1146 · Item name not on file
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5310-00-000-3815 · Item name not on file
5310-00-000-4532
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 5310-00-220-6541?
NSN 5310-00-220-6541 is a Washer,flat, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-220-6541?
NSN 5310-00-220-6541 has 1 manufacturer part number on file: 240137-1 (Essex Industries, Inc. Dba Essex Industries).
What are the specifications of 240137-1?
Key specifications for 240137-1: Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-220-6541 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.