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NSN 5310-01-720-5804Government record, cited

Washer, Flat5310-01-720-5804

NSN 5310-01-720-5804 · NIIN 017205804 · Part number 412-045-D2
Accurate Screw Machine Corp Div Accurate Screw Machine Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 51506
Government record, cited
NSN 5310-01-720-5804 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-720-5804. Manufacturer of record part number: 412-045-D2.
Also searched as  5310-01-720-5804 · 5310017205804 · NIIN 017205804 · 01-720-5804 · FSC 5310 Nuts and Washers · CAGE 51506 · 412-045-D2
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 20.6248 MILLIMETERS NOMINAL MM
  • Color: BLACK OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 12.827 MILLIMETERS NOMINAL MM
  • 1 manufacturer part number on file
  • Manufacturer of record: Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
Identification
  • NSN: 5310-01-720-5804
  • NIIN: 017205804
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 412-045-D2
  • Manufacturer: Accurate Screw Machine Corp Div Accurate Screw Machine Corporation
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-720-5804, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 4 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
NSN5310-01-720-5804
Primary Part Number412-045-D2
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerAccurate Screw Machine Corp Div Accurate Screw Machine Corporation
StatusACTIVE
Overall Diameter20.6248 MILLIMETERS NOMINAL MM
ColorBLACK OVERALL
Center Hole Shape StyleROUND
Hole Diameter12.827 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
412-045-D2 PRIMARY Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (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 5310-01-720-5804?

NSN 5310-01-720-5804 is a Washer,flat, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-720-5804?

NSN 5310-01-720-5804 has 1 manufacturer part number on file: 412-045-D2 (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).

What are the specifications of 412-045-D2?

Key specifications for 412-045-D2: Overall Diameter: 20.6248 MILLIMETERS NOMINAL MM; Color: BLACK OVERALL; Special Features: ACETAL HOMOPOLYMER (POLYOXYMETHYLENE POM); Part Name Assigned by Controlling Agency: FLAT WASHER. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-720-5804 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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