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Flat Washer

NSN: 5310-01-501-7078 | Model: 525-6LGSS

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

NSN Properties and Flags
NATO Stock Number
5310-01-501-7078
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.145 inches and 0.150 inches
Edge Shape
Round
Center Hole Shape
1 round
Thickness
Between 0.028 inches and 0.036 inches
Overall Diameter
Between 0.370 inches and 0.395 inches
Material
Steel comp 301 or steel comp 302
Material Specification
Mil-s-5059 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E820T4948 2020-02-07 PHPHA 358 EA
SPE5E820T0378 2019-10-15 PHPHA 358 EA
SPE5E819T038X 2019-05-24 PHPHA 630 EA
SPE5E819T0191 2018-10-11 PHPHA 358 EA
SPE5E818T105Q 2018-06-14 PHPHA 358 EA
SPE5E818T2454 2017-11-21 PHPHA 353 EA

Inventory Check

The last inventory check on this NSN was done on 10/29/2021. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 72
  • New: 959

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 5310-01-501-7078 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 525-6LGSS
  • SS5072CT4H
Cage Codes:
  • Honeywell Intl Inc (CAGE 55972)
  • Sikorsky Aircraft Corporation (CAGE 78286)
Schedule B & Trade:
  • Schedule B: 7318220000 (NAICS 332722)

    Washers other than lock washers, iron or steel

  • SITC: 69422

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, not threaded, of iron or steel

  • 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

A - Item does not contain precious metal.

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:

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

  • WCC:

    576 - Metal and metal products, nos, (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
    Sms
  • AAC
    J
  • Quantity per pack
    100
  • 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 $2.88 to $4.79..
Does NSN 5310-01-501-7078 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 Navy, and Slovakia
What is the NIIN of NSN 5310-01-501-7078?
015017078 or 01-501-7078
Does NSN 5310-01-501-7078 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-01-501-7078?
Solicitation SPE5E820T4948 for qty 358 on 01/31/2020
When was this national stock number assigned to the federal catalog?
Oct 11, 2002