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Lock Washer

NSN: 5310-01-657-4092 | Model: 4028882007

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

NSN Properties and Flags
NATO Stock Number
5310-01-657-4092
DEMIL
NO
Hole Diameter
0.440 inches
Outside Diameter
0.776 inches
Material Thickness
0.109 inches
End Application
Mrap - m-atv
Part Name Assigned By Controlling Agency
Helical spring - lock washer
Color
Black
Material
Steel
Material Specification
Carbon steel per asme b18.21.1-2009 section 2.3 assn standard single material response
Surface Treatment
Phosphate and zinc
Surface Treatment Specification
Per f-100: d60, type 1 mfr ref single treatment response
Style Designator
Split helical-right hand
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7L521T4620 2021-08-09 PLCL5 38 EA
SPE7L521T2430 2021-03-15 PLCL5 49 EA

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 5310-01-657-4092 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 4028882007
  • 4028882007
  • 4028882
  • 4028882
Cage Codes:
  • Oshkosh Defense, Llc (CAGE 75Q65)
Freight Information:
  • NMFC:

    194160 - Washer or gaskets, iron or steel,

  • 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.

  • LTL:

    U - 50.0

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T2200x-
  • 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 $37.54 to $62.57..
Does NSN 5310-01-657-4092 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 5310-01-657-4092?
016574092 or 01-657-4092
Does NSN 5310-01-657-4092 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-01-657-4092?
Solicitation SPE7L521T4620 for qty 38 on 08/04/2021