PartsTable TECHNICAL DATA SHEET
NSN 5310-01-559-3479Government record, cited

Nut, Self-Locking, Hexagon5310-01-559-3479

NSN 5310-01-559-3479 · NIIN 015593479 · Part number 1FB71
Grainger Div of W W Grainger Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0HWS0
Government record, cited
NSN 5310-01-559-3479 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-3479. Manufacturer of record part number: 1FB71.
Also searched as  5310-01-559-3479 · 5310015593479 · NIIN 015593479 · 01-559-3479 · FSC 5310 Nuts and Washers · CAGE 0HWS0 · 1FB71
Nearby stock numbers  ·
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 1.438 INCHES NOMINAL IN
  • Thread Series: UNF
  • Thread Direction: RIGHT-HAND
  • Nut Height: 0.547 INCHES NOMINAL IN
  • Nut Style: HEXAGON
  • Material: STEEL CORROSION RESISTING OVERALL
  • 1 manufacturer part number on file
Identification
  • NSN: 5310-01-559-3479
  • NIIN: 015593479
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 1FB71
  • Manufacturer: Grainger Div of W W Grainger Inc
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-559-3479, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grainger Div of W W Grainger Inc. 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
NSN5310-01-559-3479
Primary Part Number1FB71
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGrainger Div of W W Grainger Inc
StatusACTIVE
Width Across Flats1.438 INCHES NOMINAL IN
Thread SeriesUNF
Thread DirectionRIGHT-HAND
Nut Height0.547 INCHES NOMINAL IN
Nut StyleHEXAGON
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
1FB71 PRIMARY Grainger Div of W W Grainger 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 5310-01-559-3479?

NSN 5310-01-559-3479 is a Nut,self-Locking,hexagon, manufactured by Grainger Div of W W Grainger Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-559-3479?

NSN 5310-01-559-3479 has 1 manufacturer part number on file: 1FB71 (Grainger Div of W W Grainger Inc).

What are the specifications of 1FB71?

Key specifications for 1FB71: Width Across Flats: 1.438 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nut Height: 0.547 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-559-3479 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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