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NSN 5310-01-620-5757Government record, cited

Washer, Lock5310-01-620-5757

NSN 5310-01-620-5757 · NIIN 016205757 · Part number BN 790 M5
Bossard Intl Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1CJ86
Government record, cited
NSN 5310-01-620-5757 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-620-5757. Manufacturer of record part number: BN 790 M5.
Also searched as  5310-01-620-5757 · 5310016205757 · NIIN 016205757 · 01-620-5757 · FSC 5310 Nuts and Washers · CAGE 1CJ86 · BN 790 M5
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 425.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
  • Style Designator: FLAT INTERNAL TEETH
  • Outside Diameter: 10.0 MILLIMETERS MAXIMUM MM
  • Material Thickness: 0.6 MILLIMETERS NOMINAL MM
  • Surface Treatment: ZINC OVERALL
  • Material: STEEL OVERALL
  • Hole Diameter: 5.3 MILLIMETERS NOMINAL MM
Identification
  • NSN: 5310-01-620-5757
  • NIIN: 016205757
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: BN 790 M5
  • Manufacturer: Bossard Intl Inc
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-620-5757, 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 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.

Technical Specifications
ParameterValue
NSN5310-01-620-5757
Primary Part NumberBN 790 M5
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerBossard Intl Inc
StatusACTIVE
Hardness Rating350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 425.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
Style DesignatorFLAT INTERNAL TEETH
Outside Diameter10.0 MILLIMETERS MAXIMUM MM
Material Thickness0.6 MILLIMETERS NOMINAL MM
Surface TreatmentZINC OVERALL
MaterialSTEEL OVERALL
Hole Diameter5.3 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
BN 790 M5 PRIMARY Bossard Intl Inc (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.
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 5310-01-620-5757?

NSN 5310-01-620-5757 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 5310-01-620-5757?

NSN 5310-01-620-5757 has 1 manufacturer part number on file: BN 790 M5 (Bossard Intl Inc).

What are the specifications of BN 790 M5?

Key specifications for BN 790 M5: Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 425.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM; Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 10.0 MILLIMETERS MAXIMUM MM; Material Thickness: 0.6 MILLIMETERS NOMINAL MM. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-620-5757 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.
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