NSN 5310-01-367-6766 · NIIN 013676766 · Part number 4M226A3H
The Boeing Company Div Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 76301
Government record, cited
NSN 5310-01-367-6766 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-367-6766. Manufacturer of record part number: 4M226A3H.
Also searched as5310-01-367-6766 ·
5310013676766 ·
NIIN 013676766 ·
01-367-6766 ·
FSC 5310 Nuts and Washers · CAGE 76301 · 4M226A3H · 79684CV-3
Surface Treatment Document and Classification: MIL-C-8837 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Style Designator: CONVEX
Material Document and Classification: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
Material Thickness: 0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
Surface Treatment: CADMIUM AND CHROMATE OVERALL
Identification
NSN: 5310-01-367-6766
NIIN: 013676766
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 4M226A3H
Manufacturer: The Boeing Company Div Defense
General Description
The Washer,convex, cataloged under National Stock Number 5310-01-367-6766, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-367-6766
Primary Part Number
4M226A3H
Item Name
Washer,convex
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
The Boeing Company Div Defense
Status
ACTIVE
Surface Treatment Document and Classification
MIL-C-8837 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating
46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Style Designator
CONVEX
Material Document and Classification
AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
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 5310-01-367-6766?
NSN 5310-01-367-6766 is a Washer,convex, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-367-6766?
NSN 5310-01-367-6766 has 2 manufacturer part numbers on file: 4M226A3H (The Boeing Company Div Defense), 79684CV-3 (Sps Technologies, Llc Dba PB Fasteners).
What are the specifications of 4M226A3H?
Key specifications for 4M226A3H: Surface Treatment Document and Classification: MIL-C-8837 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Style Designator: CONVEX; Material Document and Classification: AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-367-6766 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.