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Flat Washer

NSN: 5310-00-184-8974 | Model: 5749986-003

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
5310-00-184-8974
DEMIL
NO
Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.396 inches and 0.411 inches
Edge Shape
Round
Center Hole Shape
Round
Thickness
Between 0.073 inches and 0.083 inches
Overall Diameter
Between 0.740 inches and 0.760 inches
Hardness Rating
Between 35.0 rockwell c and 40.0 rockwell c
Surface Finish
63.0 microinches top
Material
Steel comp 4130
Material Specification
Ams 6350 assn standard single material response
Surface Treatment
Nickel and cadmium
Surface Treatment Specification
Ams 2416 assn standard single treatment response
Specification Data
81343-ms9320-12 professional/industrial association specification
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E320T5047 2020-02-18 PHPHC 618 HD
SPE5E320T2367 2019-11-25 PHPHC 591 HD
SPE5E319T274D 2019-07-01 PHPHC 155 HD
SPE5E319T148Z 2019-04-29 PHPHC 41 HD
SPE5E819Q0226 2019-03-05 PHPHA 286 HD
SPE5E319T2893 2018-11-13 PHPHC 286 HD
SPE5E319T1343 2018-10-29 PHPHC 25 HD
SPE5E319T0551 2018-10-16 PHPHC 80 HD
SPE5E319T0031 2018-10-09 PHPHC 355 HD
SPE5E318T6911 2018-02-27 PAA64 90 HD

Inventory Check

The last inventory check on this NSN was done on 10/23/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 5596
  • Serviceable: 3
  • New: 17666
  • As Removed: 7
  • Overhauled: 9

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.

Qty:
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NSN 5310-00-184-8974 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 5749986-003
  • MS9320-12
  • 5310001848974
  • MS9320-12
Cage Codes:
  • Zf Industrieantriebe Witten Gmbh (CAGE D9182)
  • Military Standards (CAGE 96906)
  • E.c.a Etablissement (CAGE SCY13)
  • Society Of Automotive Engineers Inc (CAGE 81343)
Replacements:
  • 5310-00-184-8974 replaces 5310-00-516-5118
  • 5310-00-184-8974 replaces 5310-00-931-8548
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.

ADPE

- Represents items with no adp components

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:

    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.

  • ACC:

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

  • LTL:

    U - 50.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Hd
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T22bkx-
  • 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 $43.46 to $72.43..
Does NSN 5310-00-184-8974 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 Weather Service, National Aeronautics and Space Administration, Slovenia, Poland, Brazil, Spain, Columbia, Israel, Singapore, Kuwait, Morocco, 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 5310-00-184-8974?
001848974 or 00-184-8974
Does NSN 5310-00-184-8974 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-184-8974?
Solicitation SPE5E320T5047 for qty 618 on 02/10/2020
When was this national stock number assigned to the federal catalog?
Jan 01, 1963