PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21044N3Nut,self-Locking,hexagon

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-877-5797 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-877-5797 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-877-5797. Primary manufacturer part number: MS21044N3.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 3B
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Temp Rating: 250.0 FAHRENHEIT NOMINAL DEGF
  • Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1006 or Steel Comp 1008 or Steel Comp 1009 or Steel Comp 1010 or Steel Comp 1015 or Steel Comp 1018 or Steel Comp 1035 or Steel Comp 11l37 or Steel Comp 1213 or Steel Comp 12l14 Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-877-5797, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 38 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
NSN5310-00-877-5797
Primary Part NumberMS21044N3
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Thread Class3B
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Bearing Surface TypeCHAMFERED OR WASHER FACED
Bearing Surface Finish125.0 MICROINCHES
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Thread SeriesUNIFIED NATIONAL JOINT FINE (UNJF)
Nominal Thread Size0.190 INCHES IN
Width Across Flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
Thread Quantity Per Inch32
MaterialSTEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1009 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1035 OR STEEL COMP 11L37 OR STEEL COMP 1213 OR STEEL COMP 12L14 NUT
Nut StyleHEXAGON
Thread DirectionRIGHT-HAND
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
Nut Height0.208 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
LubricationSOLUBLE LUBRICANT
Countersink Angle88.0 DEGREES NOMINAL NUT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-069-3743 INTERCHANGEABLE
Antenna Element
5325-00-090-488832383 INTERCHANGEABLE
Grommet,nonmetallic
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3110-00-100-6147MS19059-2408 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
6240-00-132-5335305RED INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
2920-00-134-7716956-4704 INTERCHANGEABLE
Switch,lock,ignition
Cole Hersee Company
5330-00-164-86913125 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5310-00-208-9255MS21044C3 INTERCHANGEABLE
Nut,self-Locking,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5999-00-240-4324A1726 INTERCHANGEABLE
Contact,electrical
Grimes Aerospace Company
5310-00-266-4463 INTERCHANGEABLE
Nut,self-Locking,hexagon
5310-00-281-9847 INTERCHANGEABLE
Nut,self-Locking,hexagon
Cross-Reference Index
Part NumberManufacturer
NUT107 Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA)
8223606-1 San Antonio Air Logistics Center (USA)
5692-6-13 Fmc Corp (USA)
200471 Richards Imagery Interpretation Systems, L.l.c. (USA)
10082631 Nimikkeistokeskus Ncb Finland (FIN)
400227 American Telephone and Telegraph Co (USA)
333-0385-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
5692-6-13 Chief of Engineers Dept of Army (USA)
DSR1197-13 Meggitt Aerospace Limited (GBR)
8599169-010 General Motors Corp (USA)
188184 Zf Industrieantriebe Witten Gmbh (DEU)
A1726 Sasco Inc Canadian Div
MS21044N3 Goriziane Group Spa (ITA)
5951062 Tadiran Ltd (ISR)
6693577 P/N 38 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
MS21044N3 Leonardo Spa Helicopters Division - Production Site (ITA)
853926 Us Army Aviation and Missile Command (USA)
5310PL2054377 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS21044N3 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
66654 Cadillac Gage Textron Inc. (USA)
Related Parts
5985-00-069-3743INTERCHANGEABLE
ANTENNA ELEMENT
5325-00-090-4888INTERCHANGEABLE
GROMMET,NONMETALLIC
32383
3110-00-100-6147INTERCHANGEABLE
BALL,BEARING
MS19059-2408
6240-00-132-5335INTERCHANGEABLE
LAMP,INCANDESCENT
305RED
2920-00-134-7716INTERCHANGEABLE
SWITCH,LOCK,IGNITION
956-4704
5330-00-164-8691INTERCHANGEABLE
SEAL,PLAIN ENCASED
3125
5310-00-208-9255INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
MS21044C3
5999-00-240-4324INTERCHANGEABLE
CONTACT,ELECTRICAL
A1726
5310-00-266-4463INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5310-00-281-9847INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5905-00-295-3403INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
6750-00-322-9309INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
3126

Frequently Asked Questions

What is NSN 5310-00-877-5797?

NSN 5310-00-877-5797 is a Nut,self-Locking,hexagon, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-877-5797?

NSN 5310-00-877-5797 has 50 cross-referenced part numbers: NUT107 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters), 8223606-1 (San Antonio Air Logistics Center), 5692-6-13 (Fmc Corp), 200471 (Richards Imagery Interpretation Systems, L.l.c.), 10082631 (Nimikkeistokeskus Ncb Finland) and 45 more.

What NSN replaces 5310-00-877-5797?

There are 12 known substitutes for 5310-00-877-5797: 5985-00-069-3743, 5325-00-090-4888, 3110-00-100-6147 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21044N3?

Key specifications for MS21044N3: Thread Class: 3B; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Surface Treatment: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT; Bearing Surface Type: CHAMFERED OR WASHER FACED. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-877-5797 still in active supply?

NSN 5310-00-877-5797 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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