PartsTable TECHNICAL DATA SHEET
NSN 5310-01-551-7903Government record, cited

Nut, Plain, Assembled Washer5310-01-551-7903

NSN 5310-01-551-7903 · NIIN 015517903 · Part number 96278A411
Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39428
Government record, cited
NSN 5310-01-551-7903 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-551-7903. Manufacturer of record part number: 96278A411.
Also searched as  5310-01-551-7903 · 5310015517903 · NIIN 015517903 · 01-551-7903 · FSC 5310 Nuts and Washers · CAGE 39428 · 96278A411 · 205073-01
Nearby stock numbers  ·
Features
  • Nut,plain,assembled Washer — FSC 5310
  • Washer Outside Diameter: 0.406 INCHES NOMINAL IN
  • Width Across Flats: 0.375 INCHES NOMINAL IN
  • Thread Series: UNF
  • Features Provided: FLOATING NUT
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.190 INCHES IN
  • Nut Height: 0.125 INCHES NOMINAL IN
Identification
  • NSN: 5310-01-551-7903
  • NIIN: 015517903
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 96278A411
  • Manufacturer: Mcmaster-Carr Supply Co
General Description

The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-01-551-7903, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-551-7903
Primary Part Number96278A411
Item NameNut,plain,assembled Washer
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerMcmaster-Carr Supply Co
StatusACTIVE
Washer Outside Diameter0.406 INCHES NOMINAL IN
Width Across Flats0.375 INCHES NOMINAL IN
Thread SeriesUNF
Features ProvidedFLOATING NUT
Thread DirectionRIGHT-HAND
Nominal Thread Size0.190 INCHES IN
Nut Height0.125 INCHES NOMINAL IN
Nut StyleEXTERNAL TOOTH
Thread Class2B
Thread Quantity Per Inch32
MaterialSTEEL CORROSION RESISTING OVERALL
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
205073-01 Rockwell Collins, Inc. (USA)
96278A411 PRIMARY Mcmaster-Carr Supply Co (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 5310-01-551-7903?

NSN 5310-01-551-7903 is a Nut,plain,assembled Washer, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-551-7903?

NSN 5310-01-551-7903 has 2 manufacturer part numbers on file: 205073-01 (Rockwell Collins, Inc.), 96278A411 (Mcmaster-Carr Supply Co).

What are the specifications of 96278A411?

Key specifications for 96278A411: Overall Height: 0.1719 INCHES NOMINAL IN; Washer Outside Diameter: 0.406 INCHES NOMINAL IN; Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Series: UNF. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-551-7903 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.
PartsTable Design LLC · partstable.com