PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51922-33Nut,self-Locking,hexagon

Goriziane Group Spa · NSN 5310-00-225-6993 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-225-6993 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-225-6993. Primary manufacturer part number: MS51922-33.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
  • Material Document and Classification: SAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
  • Thread Direction: RIGHT-HAND
  • Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyamide Nylon Locking Insert construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-225-6993, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goriziane Group Spa. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 23 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-225-6993
Primary Part NumberMS51922-33
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerGoriziane Group Spa
StatusCANCELLED
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Material Document and ClassificationSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Bearing Surface Finish125.0 MICROINCHES
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.500 INCHES IN
Thread Quantity Per Inch13
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread Class2B
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Width Across Flats0.736 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Nut StyleHEXAGON
LubricationDRY FILM LUBRICANT
Nut Height0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN
MaterialSTEEL NUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-044-3339443339 INTERCHANGEABLE
Nut,self-Locking,hexagon
U S Army Tank Automotive Command Amsta-Im-Mm
3110-00-100-03673320 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
2540-00-102-0150300 INTERCHANGEABLE
Blade,windshield Wiper
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5935-00-134-5266U-237/BG INTERCHANGEABLE
Connector,plug,electrical
Joint Electronics Type Designation System
5910-00-191-5778KR5D521F INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Cornell-Dubilier Marketing Inc
4320-00-218-392414345P INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5133-00-228-1373 INTERCHANGEABLE
Drill,twist
5360-00-321-986010328 INTERCHANGEABLE
Spring,helical,compression
Setra Systems, Inc. Dba Gems Sensors
5977-00-330-361710088 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
3040-00-364-8278030051 INTERCHANGEABLE
Bell Crank
Woodward, Inc.
Cross-Reference Index
Part NumberManufacturer
MS51922-33 Goriziane Group Spa (ITA)
030051 Hammerblow Corp the (USA)
443339 Davey Compressor Co Div of Keco Industries Inc (USA)
M45913/1-8CG5C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2AW989 Oshkosh Corp (USA)
PWA10132-3 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
5310PL0632727 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2AW989 Oshkosh Defense Llc (USA)
5310002256993 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
10B000218P57 Avionics Communications Systems Inc (USA)
MS51922-33 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-45913/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5310002256993 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
5HB119 Oshkosh Corp (USA)
YU9411727 Lift-a-Loft, Llc (USA)
701-4711389 PIECE 61 Naval Ship Systems Command (USA)
110-0237 John Bean Technologies Corporation Dba Jbt Aerotech-Military Programs Div Jbt Aerotech (USA)
10328 Harvard Industries Inc (USA)
ALS-516-116 Skyline Industries Inc Dba Spinks Industries (USA)
MS51922-33 The Champion Company Div Ground Support Equipment (USA)
Related Parts
5310-00-044-3339INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
443339
3110-00-100-0367INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3320
2540-00-102-0150INTERCHANGEABLE
BLADE,WINDSHIELD WIPER
300
5935-00-134-5266INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
U-237/BG
5910-00-191-5778INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
KR5D521F
4320-00-218-3924INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
14345P
5133-00-228-1373INTERCHANGEABLE
DRILL,TWIST
5360-00-321-9860INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10328
5977-00-330-3617INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10088
3040-00-364-8278INTERCHANGEABLE
BELL CRANK
030051
5999-00-481-8409INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5965-00-501-4811INTERCHANGEABLE
EARPHONE ELEMENT
10088

Frequently Asked Questions

What is NSN 5310-00-225-6993?

NSN 5310-00-225-6993 is a Nut,self-Locking,hexagon, manufactured by Goriziane Group Spa, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-225-6993?

NSN 5310-00-225-6993 has 23 cross-referenced part numbers: MS51922-33 (Goriziane Group Spa), 030051 (Hammerblow Corp the), 443339 (Davey Compressor Co Div of Keco Industries Inc), M45913/1-8CG5C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2AW989 (Oshkosh Corp) and 18 more.

What NSN replaces 5310-00-225-6993?

There are 12 known substitutes for 5310-00-225-6993: 5310-00-044-3339, 3110-00-100-0367, 2540-00-102-0150 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51922-33?

Key specifications for MS51922-33: Thread Series: UNIFIED NATIONAL COARSE (UNC); Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Material Document and Classification: SAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT; Thread Direction: RIGHT-HAND. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-225-6993 still in active supply?

NSN 5310-00-225-6993 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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