PartsTable TECHNICAL DATA SHEET
NSN 5310-01-676-7068Government record, cited

Nut, Self-Locking, Extended Washer5310-01-676-7068

NSN 5310-01-676-7068 · NIIN 016767068 · Part number 90044066
Grove U.s. Llc Dba Grove Us Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 12361
Government record, cited
NSN 5310-01-676-7068 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-676-7068. Manufacturer of record part number: 90044066.
Also searched as  5310-01-676-7068 · 5310016767068 · NIIN 016767068 · 01-676-7068 · FSC 5310 Nuts and Washers · CAGE 12361 · 90044066 · 96282A105
Nearby stock numbers  ·
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • Washer Outside Diameter: 1.28125 INCHES NOMINAL IN
  • Width Across Flats: 0.9375 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Washer Thickness: 0.050 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.625 INCHES IN
  • Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Identification
  • NSN: 5310-01-676-7068
  • NIIN: 016767068
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 90044066
  • Manufacturer: Grove U.s. Llc Dba Grove Us Llc
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-676-7068, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Grove U.s. Llc Dba Grove Us Llc. 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
NSN5310-01-676-7068
Primary Part Number90044066
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerGrove U.s. Llc Dba Grove Us Llc
StatusACTIVE
Washer Outside Diameter1.28125 INCHES NOMINAL IN
Width Across Flats0.9375 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Washer Thickness0.050 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Nominal Thread Size0.625 INCHES IN
Locking FeaturePREVAILING TORQUE ALL METAL DESIGN
Nut StyleHEXAGON
Thread Class2B
Thread Quantity Per Inch11
MaterialSTEEL 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
90044066 PRIMARY Grove U.s. Llc Dba Grove Us Llc (USA)
96282A105 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 5310-01-676-7068?

NSN 5310-01-676-7068 is a Nut,self-Locking,extended Washer, manufactured by Grove U.s. Llc Dba Grove Us Llc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-676-7068?

NSN 5310-01-676-7068 has 2 manufacturer part numbers on file: 90044066 (Grove U.s. Llc Dba Grove Us Llc), 96282A105 (Mcmaster-Carr Supply Co).

What are the specifications of 90044066?

Key specifications for 90044066: Overall Height: 0.5625 INCHES NOMINAL IN; Washer Outside Diameter: 1.28125 INCHES NOMINAL IN; Width Across Flats: 0.9375 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-676-7068 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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