NSN 5310-01-474-3490 · NIIN 014743490 · Part number BN763M2.5
Bossard Intl Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0RW44
Government record, cited
NSN 5310-01-474-3490 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-474-3490. Manufacturer of record part number: BN763M2.5.
Also searched as5310-01-474-3490 ·
5310014743490 ·
NIIN 014743490 ·
01-474-3490 ·
FSC 5310 Nuts and Washers · CAGE 0RW44 · BN763M2.5
Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Style Designator: SPLIT HELICAL-RIGHT HAND
Outside Diameter: 5.1 MILLIMETERS MAXIMUM MM
Material Thickness: 0.6 MILLIMETERS NOMINAL MM
Color: YELLOW OVERALL
Surface Treatment: ZINC OVERALL
Material: STEEL OVERALL
Identification
NSN: 5310-01-474-3490
NIIN: 014743490
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: BN763M2.5
Manufacturer: Bossard Intl Inc
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-474-3490, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bossard Intl Inc. Government technical data includes 8 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.
Technical Specifications
Parameter
Value
NSN
5310-01-474-3490
Primary Part Number
BN763M2.5
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Bossard Intl Inc
Status
ACTIVE
Hardness Rating
44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Style Designator
SPLIT HELICAL-RIGHT HAND
Outside Diameter
5.1 MILLIMETERS MAXIMUM MM
Material Thickness
0.6 MILLIMETERS NOMINAL MM
Color
YELLOW OVERALL
Surface Treatment
ZINC OVERALL
Material
STEEL OVERALL
Hole Diameter
2.6 MILLIMETERS MINIMUM AND 2.9 MILLIMETERS MAXIMUM MM
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 5310-01-474-3490?
NSN 5310-01-474-3490 is a Washer,lock, manufactured by Bossard Intl Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-474-3490?
NSN 5310-01-474-3490 has 1 manufacturer part number on file: BN763M2.5 (Bossard Intl Inc).
What are the specifications of BN763M2.5?
Key specifications for BN763M2.5: Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 5.1 MILLIMETERS MAXIMUM MM; Material Thickness: 0.6 MILLIMETERS NOMINAL MM. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-474-3490 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.