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NSN 5310-00-997-2231Government record, cited

Washer, Flat5310-00-997-2231

NSN 5310-00-997-2231 · NIIN 009972231 · Part number 180V005-4
Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950
Government record, cited
NSN 5310-00-997-2231 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-997-2231. Manufacturer of record part number: 180V005-4.
Also searched as  5310-00-997-2231 · 5310009972231 · NIIN 009972231 · 00-997-2231 · FSC 5310 Nuts and Washers · CAGE 03950 · 180V005-4
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 2.078 INCHES NOMINAL IN
  • Color: BLACK OVERALL
  • Peripheral Shape Style: ROUND
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 1.453 INCHES NOMINAL IN
  • Thickness: 0.030 INCHES NOMINAL IN
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-00-997-2231
  • NIIN: 009972231
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 180V005-4
  • Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-997-2231, 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 6 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
NSN5310-00-997-2231
Primary Part Number180V005-4
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Overall Diameter2.078 INCHES NOMINAL IN
ColorBLACK OVERALL
Peripheral Shape StyleROUND
Center Hole Shape StyleROUND
Hole Diameter1.453 INCHES NOMINAL IN
Thickness0.030 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
180V005-4 PRIMARY Naval Inventory Control Point Mechanicsburg (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 5310-00-997-2231?

NSN 5310-00-997-2231 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-997-2231?

NSN 5310-00-997-2231 has 1 manufacturer part number on file: 180V005-4 (Naval Inventory Control Point Mechanicsburg).

What are the specifications of 180V005-4?

Key specifications for 180V005-4: Overall Diameter: 2.078 INCHES NOMINAL IN; Color: BLACK OVERALL; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-997-2231 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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