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NSN 5310-01-019-6531Government record, cited

Washer, Flat5310-01-019-6531

NSN 5310-01-019-6531 · NIIN 010196531 · Part number 188394
Cummins Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 15434
Government record, cited
NSN 5310-01-019-6531 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-019-6531. Manufacturer of record part number: 188394.
Also searched as  5310-01-019-6531 · 5310010196531 · NIIN 010196531 · 01-019-6531 · FSC 5310 Nuts and Washers · CAGE 15434 · 188394
Nearby stock numbers  ·
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Material Document and Classification: 30002 FSCM 96153 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Peripheral Shape Style: ROUND
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Hole Diameter: 0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
Identification
  • NSN: 5310-01-019-6531
  • NIIN: 010196531
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 188394
  • Manufacturer: Cummins Inc.
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-019-6531, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 8 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
NSN5310-01-019-6531
Primary Part Number188394
Item NameWasher,flat
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerCummins Inc.
StatusACTIVE
Overall Diameter0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Material Document and Classification30002 FSCM 96153 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Peripheral Shape StyleROUND
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Hole Diameter0.584 INCHES MINIMUM AND 0.604 INCHES MAXIMUM IN
Thickness0.058 INCHES MINIMUM AND 0.078 INCHES MAXIMUM 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
188394 PRIMARY Cummins 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 5310-01-019-6531?

NSN 5310-01-019-6531 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-019-6531?

NSN 5310-01-019-6531 has 1 manufacturer part number on file: 188394 (Cummins Inc.).

What are the specifications of 188394?

Key specifications for 188394: Overall Diameter: 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Material Document and Classification: 30002 FSCM 96153 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-019-6531 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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