NSN 5310-01-101-4751 · NIIN 011014751 · Part number 491405
Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950
Government record, cited
NSN 5310-01-101-4751 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-101-4751. Manufacturer of record part number: 491405.
Also searched as5310-01-101-4751 ·
5310011014751 ·
NIIN 011014751 ·
01-101-4751 ·
FSC 5310 Nuts and Washers · CAGE 03950 · 491405
Outside Diameter: 1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
Material Thickness: 0.063 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
Recess Diameter: 0.765 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN
Material: STEEL OVERALL
Hole Diameter: 0.627 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN
Recess Angle: 45.0 DEGREES NOMINAL
Identification
NSN: 5310-01-101-4751
NIIN: 011014751
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 491405
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Washer,recessed, cataloged under National Stock Number 5310-01-101-4751, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. 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
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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 5310-01-101-4751?
NSN 5310-01-101-4751 is a Washer,recessed, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-101-4751?
NSN 5310-01-101-4751 has 1 manufacturer part number on file: 491405 (Naval Inventory Control Point Mechanicsburg).
What are the specifications of 491405?
Key specifications for 491405: Style Designator: RECESSED; Outside Diameter: 1.048 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN; Material Thickness: 0.063 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN; Recess Diameter: 0.765 INCHES MINIMUM AND 0.785 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-101-4751 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.