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Convex Washer

NSN: 5310-00-027-4919 | Model: LS5931A4

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes bearing, washer thrust.

NSN Properties and Flags
NATO Stock Number
5310-00-027-4919
DEMIL
NO
Hole Diameter
Between 0.249 inches and 0.269 inches
Outside Diameter
0.452 inches
Material Thickness
0.106 inches
Heat Treatment
T-4 solution heat treated, natural aged
Material
Aluminum alloy 2024
Material Specification
Qq-a-200/3 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Convex
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E318T078P 2018-06-07 PAA64 2856 EA

Inventory Check

The last inventory check on this NSN was done on 04/09/2024. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 719
  • New: 631

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 5310-00-027-4919 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • LS5931A4
Cage Codes:
  • Lockheed Martin Corporation (CAGE 98897)
Schedule B & Trade:
  • Schedule B: 7616108000 (NAICS 332722)

    Cotters, cotter-pins, washers and similar articles, of aluminum

  • SITC: 69440

    Nails, tacks, staples (excluding staples in strips for office etc. Use), screws, bolts, nuts, rivets, washers and similar articles, of aluminum

  • End Use: 12300

    Finished metal shapes

Identification:
HMIC

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

PMIC

U - Precious metal content is unknown

CRITL

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

Freight Information:
  • NMFC:

    194120 - Washers/gaskets/pckg dvcs noi

  • WCC:

    713 - Metal hardware

  • 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
    Sms
  • AAC
    Z
  • Quantity per pack
    25
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9sx-n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $1.74 to $2.90..
Does NSN 5310-00-027-4919 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, Poland, Brazil, Canada, and Turkey
What is the NIIN of NSN 5310-00-027-4919?
000274919 or 00-027-4919
Does NSN 5310-00-027-4919 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-027-4919?
Solicitation SPE5E318T078P for qty 2856 on 05/31/2018
When was this national stock number assigned to the federal catalog?
May 24, 1968