PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10803Nut,plain,hexagon

Greystone, Inc. · NSN 5310-01-624-7662 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-624-7662 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-624-7662. Primary manufacturer part number: 10803.
Features
  • Nut,plain,hexagon — FSC 5310
  • Surface Treatment: ZINC OVERALL
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Quantity Per Inch: 16
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.375 INCHES IN
  • 1 verified cross-reference
  • Primary manufacturer: Greystone, Inc.
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-624-7662, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Greystone, Inc.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-624-7662
Primary Part Number10803
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGreystone, Inc.
StatusACTIVE
Surface TreatmentZINC OVERALL
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Quantity Per Inch16
Thread DirectionRIGHT-HAND
Nominal Thread Size0.375 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
1560-00-066-78401080-3 INTERCHANGEABLE
Parts Kit,adhesive
The Boeing Company Div Defense
4720-00-181-9140 INTERCHANGEABLE
Tubing,nonmetallic
5910-00-194-745710803 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Cd Snow Hill, Llc
5136-00-261-3237 INTERCHANGEABLE
Tap,thread Cutting
5310-00-274-776910803 INTERCHANGEABLE
Nut,plain,hexagon
Meggitt (new Hampshire), Inc
5310-00-281-355210803 INTERCHANGEABLE
Washer,flat
Alcoa/reynolds Metals Company
1660-00-347-868610803 INTERCHANGEABLE
Valve Assy,vent and
Mission Systems Orchard Park Inc
5365-00-529-844210803 INTERCHANGEABLE
Spacer,sleeve
Eaton Corporation
5975-00-714-8031143 INTERCHANGEABLE
Locknut,electrical Conduit
Abb Installation Products Inc
5120-01-553-852310803 INTERCHANGEABLE
Puller,mechanical
Tiger Tool Intl Inc
Cross-Reference Index
Part NumberManufacturer
10803 PRIMARY Greystone, Inc. (USA)
Related Parts
1560-00-066-7840INTERCHANGEABLE
PARTS KIT,ADHESIVE
1080-3
4720-00-181-9140INTERCHANGEABLE
TUBING,NONMETALLIC
5910-00-194-7457INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
10803
5136-00-261-3237INTERCHANGEABLE
TAP,THREAD CUTTING
5310-00-274-7769INTERCHANGEABLE
NUT,PLAIN,HEXAGON
10803
5310-00-281-3552INTERCHANGEABLE
WASHER,FLAT
10803
1660-00-347-8686INTERCHANGEABLE
VALVE ASSY,VENT AND
10803
5365-00-529-8442INTERCHANGEABLE
SPACER,SLEEVE
10803
5975-00-714-8031INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
143
5120-01-553-8523INTERCHANGEABLE
PULLER,MECHANICAL
10803
5120-01-693-6286INTERCHANGEABLE
JACK,SCREW,HAND
10803

Frequently Asked Questions

What is NSN 5310-01-624-7662?

NSN 5310-01-624-7662 is a Nut,plain,hexagon, manufactured by Greystone, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-624-7662?

NSN 5310-01-624-7662 has 1 cross-referenced part number: 10803 (Greystone, Inc.).

What NSN replaces 5310-01-624-7662?

There are 11 known substitutes for 5310-01-624-7662: 1560-00-066-7840, 4720-00-181-9140, 5910-00-194-7457 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 10803?

Key specifications for 10803: Surface Treatment: ZINC OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Part Name Assigned by Controlling Agency: NUT, HH, 3/8"-16 THRD, GRADE 5, ZINC PLATED; Thread Quantity Per Inch: 16. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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