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Plate Self-locking Nut

NSN: 5310-01-090-1543 | Model: NAS1791A4-2

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
0.254 inches nut
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Nut Length
1.292 inches
Nut Height
0.357 inches
Plate Thickness
Between 0.027 inches and 0.037 inches
Plate Width
0.547 inches
Removable Nut Manufacturer Code
Nut Counterbore Depth
0.125 inches nut
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.495 inches and 0.505 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.998 inches and 1.002 inches
Removable Nut Manufacturer Part Number
Thread Series
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
Thread Size
0.250 inches
Steel shell
Surface Treatment
Cadmium shell and chromate shell
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification all treatment responses nut
Specification Data
80205-nas1791 professional/industrial association standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E716T0431 2015-10-19 PHPHA 1024 EA
SPE5E716T0329 2015-10-16 PHPHA 952 EA

Pricing and Availability

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NSN 5310-01-090-1543 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • NAS1791A4-2
  • F49069N4-2
  • BFN541-4-2
  • F14421-2-4
  • ST3M541-4A2
  • F14421-2-4
  • 10122111
Cage Codes:
  • National Aerospace Standards (CAGE 80205)
  • Arconic Global Fasteners & Rings, (CAGE 15653)
  • Bristol Industries (CAGE 27238)
  • Sps Technologies, Llc (CAGE 80539)
  • Boeing Company, The (CAGE 76301)
  • Harvard Industries Inc (CAGE 72962)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
  • 5310-01-090-1543 replaces 5310-01-134-8739
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.


A - Item does not contain precious metal.


- Represents items with no adp components


- 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

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $9.23 to $15.39..
Does NSN 5310-01-090-1543 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 Air Force, Department Of The Navy, Finland, Poland, Spain, Singapore, Malaysia, Australia, Canada, Republic Of Korea, United Kingdom, Denmark, Norway, Greece, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5310-01-090-1543?
010901543 or 01-090-1543
Does NSN 5310-01-090-1543 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-01-090-1543?
Solicitation SPE5E716T0431 for qty 1024 on 10/09/2015
When was this national stock number assigned to the federal catalog?
Feb 14, 1980