PartsTable TECHNICAL DATA SHEET
NSN 5310-00-286-0397Government record, cited

Washer, Flat5310-00-286-0397

NSN 5310-00-286-0397 · NIIN 002860397 · Part number 140-33146
The Boeing Company Div Legacy Am&m · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 43999
Government record, cited
NSN 5310-00-286-0397 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-286-0397. Manufacturer of record part number: 140-33146.
Also searched as  5310-00-286-0397 · 5310002860397 · NIIN 002860397 · 00-286-0397 · FSC 5310 Nuts and Washers · CAGE 43999 · 140-33146
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 1.750 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: RUBBER SYNTHETIC OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.875 INCHES NOMINAL IN
  • Thickness: 0.188 INCHES NOMINAL IN
Identification
  • NSN: 5310-00-286-0397
  • NIIN: 002860397
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 140-33146
  • Manufacturer: The Boeing Company Div Legacy Am&m
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-286-0397, 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 Legacy Am&m. 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
NSN5310-00-286-0397
Primary Part Number140-33146
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerThe Boeing Company Div Legacy Am&m
StatusACTIVE
Overall Diameter1.750 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialRUBBER SYNTHETIC OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.875 INCHES NOMINAL IN
Thickness0.188 INCHES NOMINAL IN
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
140-33146 PRIMARY The Boeing Company Div Legacy Am&m (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 5310-00-286-0397?

NSN 5310-00-286-0397 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-286-0397?

NSN 5310-00-286-0397 has 1 manufacturer part number on file: 140-33146 (The Boeing Company Div Legacy Am&m).

What are the specifications of 140-33146?

Key specifications for 140-33146: Overall Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: RUBBER SYNTHETIC OVERALL. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-286-0397 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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