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Plate Self-locking Nut

NSN: 5310-00-964-0878 | Model: FMA2502-02

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

NSN Properties and Flags
NATO Stock Number
Thread Class
Thread Direction
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.229 inches base
Dry film lubricant
Furnished Items
Preformed packing
Overall Height
0.640 inches
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Nut Length
0.989 inches
Nut Height
0.313 inches
Plate Thickness
0.085 inches
Plate Width
0.568 inches
Nut Counterbore Depth
0.125 inches base
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.344 inches and 0.349 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.686 inches and 0.690 inches
Tempurature Rating
225.0 degrees fahrenheit
Thread Series
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
Thread Size
0.190 inches
Special Features
0.020 in. Min radial float, 0.030 in. Max axial float; 50.0 psig max rated pressure, black seal
Steel shell
Material Specification
Mil-r-6855, class 1, grade 60 military specification single material response seal
Surface Treatment
Cadmium shell and chromate shell
Special Test Features
Maxminum locking torque 3 times the value stated in mil-n-25027
Supplementary Features
No qpl shall be establsihed
Test Data Document
80205-nas 1473 standard (includes industry or association standards, individual manufactureer standards, etc.). And 81349-mil-n-25027 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
80205-nas1473 professional/industrial association standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E020U0209 2020-04-07 PAA04 11279 EA
SPE5E020U0161 2020-03-31 PAA04 11405 EA
SPE5E320T4478 2020-02-06 PHPHC 10519 EA
SPE5E320T2531 2019-12-02 PHPHC 3102 EA
SPE5E318T042X 2018-05-16 DDR00 11325 EA
SPE5E816TF799 2016-08-25 PHPHA 1283 EA

Pricing and Availability

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NSN 5310-00-964-0878 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • FMA2502-02
  • 10605313
  • NAS1473A3
  • FMA2502-02
  • A2502-02
  • GHN10010-1
Cage Codes:
  • Fitz Aerospace, Llc (CAGE 019L2)
  • U S Army Aviation and Missile (CAGE 18876)
  • National Aerospace Standards (CAGE 80205)
  • Harvard Industries Inc (CAGE 72962)
  • Lockheed Martin Corporation (CAGE 98897)
  • 5310-00-964-0878 replaces 5310-00-725-4311
  • 5310-00-964-0878 replaces 5310-00-814-3061
  • 5310-00-964-0878 replaces 5310-00-970-0350
Schedule B & Trade:
  • Schedule B: 7318160000 (NAICS 332722)

    Nuts of iron or steel

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12300

    Finished metal shapes


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    093486 - Bolts, nuts or screws, noi (sub 3)

  • WCC:

    573 - Bolts or nuts (iron or steel),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $11.66 to $19.44..
Does NSN 5310-00-964-0878 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, National Aeronautics and Space Administration, Poland, Bulgaria, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5310-00-964-0878?
009640878 or 00-964-0878
Does NSN 5310-00-964-0878 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-964-0878?
Solicitation SPE5E020U0209 for qty 11279 on 03/24/2020
When was this national stock number assigned to the federal catalog?
Jan 01, 1962