PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51972-2Nut,plain,hexagon

Sae International Dba Sae International · NSN 5310-00-939-2655 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-939-2655 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-939-2655. Primary manufacturer part number: MS51972-2.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nut Style: HEXAGON
  • Width Across Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
  • Bearing Surface Type: CHAMFERED OR WASHER FACED
  • Nominal Thread Size: 0.312 INCHES IN
  • Nut Height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 or Steel Comp 317 or Steel Comp 347 Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-939-2655, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-939-2655
Primary Part NumberMS51972-2
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSae International Dba Sae International
StatusCANCELLED
Nut StyleHEXAGON
Width Across Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread SeriesUNF
Thread Quantity Per Inch24
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nominal Thread Size0.312 INCHES IN
Nut Height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
Thread Class2B
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 317 OR STEEL COMP 347 OVERALL
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Nondefinitive Spec/std Data2 TYPE AND 4 STYLE AND A CONDITION
Surface TreatmentPASSIVATE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5305-00-334-9046 INTERCHANGEABLE
Screw,step
5310-00-357-147415005 INTERCHANGEABLE
Nut,self-Locking,extended Washer
Northwestern Tools, Inc.
7025-00-539-1574 INTERCHANGEABLE
Arm,stop
6515-00-890-164017-1055 INTERCHANGEABLE
Forceps,hemostatic
Sklar Corporation Dba Sklar Instruments
5330-00-948-061415005 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
8145-01-015-247615005 INTERCHANGEABLE
Shipping and Storage Container,i
Naval Inventory Control Point
5330-01-188-307515005 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
5975-01-413-832915005-100 INTERCHANGEABLE
Conduit,nonmetallic,flexible
Abb Installation Products Inc
4940-01-478-00194744 INTERCHANGEABLE
Shop Equipment,utility
Better Engineering Manufacturing Inc
5305-01-564-5428AES01C250A00WA6DG1 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
Cross-Reference Index
Part NumberManufacturer
15005 Zf Industrieantriebe Witten Gmbh (DEU)
639361-108 Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA)
LYC505-05 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
867-0025 Cummins Power Generation Inc. (USA)
MS51972-2 PRIMARY Sae International Dba Sae International (USA)
457-5602 Nimikkeistokeskus Ncb Finland (FIN)
5710041-01901 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
MS51972-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
FF-N-836 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
5310009392655 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
028-10009 Zf Industrieantriebe Witten Gmbh (DEU)
5710041-01 Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp (USA)
909826-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
5310PL1335748 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS51972-2 Society of Automotive Engineers Inc (USA)
Related Parts
5305-00-334-9046INTERCHANGEABLE
SCREW,STEP
5310-00-357-1474INTERCHANGEABLE
NUT,SELF-LOCKING,EXTENDED WASHER
15005
7025-00-539-1574INTERCHANGEABLE
ARM,STOP
6515-00-890-1640INTERCHANGEABLE
FORCEPS,HEMOSTATIC
17-1055
5330-00-948-0614INTERCHANGEABLE
SEAL,PLAIN ENCASED
15005
8145-01-015-2476INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,I
15005
5330-01-188-3075INTERCHANGEABLE
GASKET
15005
5975-01-413-8329INTERCHANGEABLE
CONDUIT,NONMETALLIC,FLEXIBLE
15005-100
4940-01-478-0019INTERCHANGEABLE
SHOP EQUIPMENT,UTILITY
4744
5305-01-564-5428INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C250A00WA6DG1

Frequently Asked Questions

What is NSN 5310-00-939-2655?

NSN 5310-00-939-2655 is a Nut,plain,hexagon, manufactured by Sae International Dba Sae International, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-939-2655?

NSN 5310-00-939-2655 has 15 cross-referenced part numbers: 15005 (Zf Industrieantriebe Witten Gmbh), 639361-108 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), LYC505-05 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 867-0025 (Cummins Power Generation Inc.), MS51972-2 (Sae International Dba Sae International) and 10 more.

What NSN replaces 5310-00-939-2655?

There are 10 known substitutes for 5310-00-939-2655: 5305-00-334-9046, 5310-00-357-1474, 7025-00-539-1574 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51972-2?

Key specifications for MS51972-2: Nut Style: HEXAGON; Width Across Flats: 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Thread Series: UNF; Thread Quantity Per Inch: 24. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-939-2655 still in active supply?

NSN 5310-00-939-2655 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.
PartsTable Design LLC · partstable.com