PartsTable TECHNICAL DATA SHEET
NSN 5310-01-625-3397Government record, cited

Nut, Plain, Hexagon5310-01-625-3397

NSN 5310-01-625-3397 · NIIN 016253397 · Part number HXNG2Z588
Big Bolt, Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 3Q6H0
Government record, cited
NSN 5310-01-625-3397 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-625-3397. Manufacturer of record part number: HXNG2Z588.
Also searched as  5310-01-625-3397 · 5310016253397 · NIIN 016253397 · 01-625-3397 · FSC 5310 Nuts and Washers · CAGE 3Q6H0 · HXNG2Z588 · 98948A740
Nearby stock numbers  ·
Features
  • Nut,plain,hexagon — FSC 5310
  • Width Across Flats: 0.625 INCHES NOMINAL IN
  • Thread Series: UNS
  • Hardness Rating: 75.0 ROCKWELL B NOMINAL
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.625 INCHES IN
  • Nut Height: 0.625 INCHES NOMINAL IN
  • Surface Treatment: ZINC OVERALL
Identification
  • NSN: 5310-01-625-3397
  • NIIN: 016253397
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: HXNG2Z588
  • Manufacturer: Big Bolt, Llc
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-625-3397, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Big Bolt, Llc. Government technical data includes 12 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
NSN5310-01-625-3397
Primary Part NumberHXNG2Z588
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerBig Bolt, Llc
StatusACTIVE
Width Across Flats0.625 INCHES NOMINAL IN
Thread SeriesUNS
Hardness Rating75.0 ROCKWELL B NOMINAL
Thread DirectionRIGHT-HAND
Nominal Thread Size0.625 INCHES IN
Nut Height0.625 INCHES NOMINAL IN
Surface TreatmentZINC OVERALL
Inside Width Across Flats1.0625 INCHES NOMINAL IN
Nut StyleHEXAGON
Thread Quantity Per Inch8
MaterialSTEEL OVERALL
Bearing Surface TypeCHAMFERED
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
HXNG2Z588 PRIMARY Big Bolt, Llc (USA)
98948A740 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 5310-01-625-3397?

NSN 5310-01-625-3397 is a Nut,plain,hexagon, manufactured by Big Bolt, Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-625-3397?

NSN 5310-01-625-3397 has 2 manufacturer part numbers on file: HXNG2Z588 (Big Bolt, Llc), 98948A740 (Mcmaster-Carr Supply Co).

What are the specifications of HXNG2Z588?

Key specifications for HXNG2Z588: Width Across Flats: 0.625 INCHES NOMINAL IN; Thread Series: UNS; Hardness Rating: 75.0 ROCKWELL B NOMINAL; Thread Direction: RIGHT-HAND. 12 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-625-3397 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