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NSN 5310-01-264-8265Government record, cited

Washer, Flat5310-01-264-8265

NSN 5310-01-264-8265 · NIIN 012648265 · Part number 645314-35
Ontic Engineering & Manufacturing, Inc Dba Ontic Us · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 45934
Government record, cited
NSN 5310-01-264-8265 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-264-8265. Manufacturer of record part number: 645314-35.
Also searched as  5310-01-264-8265 · 5310012648265 · NIIN 012648265 · 01-264-8265 · FSC 5310 Nuts and Washers · CAGE 45934 · 645314-35
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • 1 manufacturer part number on file
  • Manufacturer of record: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
Identification
  • NSN: 5310-01-264-8265
  • NIIN: 012648265
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 645314-35
  • Manufacturer: Ontic Engineering & Manufacturing, Inc Dba Ontic Us
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-264-8265, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — Nuts and Washers (FSG 53)
ManufacturersOntic Engineering & Manufacturing, Inc Dba Ontic Us (CAGE 45934)
Technical Specifications
ParameterValue
NSN5310-01-264-8265
Primary Part Number645314-35
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
645314-35 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Reference documents
ReferenceMeaning
645314-35 3/2 Design control — primary reference
U.S. Government activity
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 5310-01-264-8265?

NSN 5310-01-264-8265 is a Washer,flat, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-264-8265?

NSN 5310-01-264-8265 has 1 manufacturer part number on file: 645314-35 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

Is NSN 5310-01-264-8265 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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