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Shouldered And Recessed Washer

NSN: 5310-00-612-3890 | Model: 51440B

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN Properties and Flags
NATO Stock Number
5310-00-612-3890
DEMIL
NO
Hole Diameter
0.639 inches
Shoulder Diameter
1.120 inches
Outside Diameter
1.186 inches
Recess Diameter
0.862 inches
Shoulder Height
0.062 inches
Material Thickness
0.090 inches
Recess Angle
30.0 degrees
Material
Steel comp 410
Material Specification
Qq-s-763 federal specification single material response
Style Designator
Shouldered and recessed

Pricing and Availability

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NSN 5310-00-612-3890 Datasheet

Supply Class (FSC):
Nuts And Washers
Cross Reference:
  • 51440B
  • 7800171
  • 135100EPC15
  • 306307E REV.1 PIECE 15
  • 106840EPC15
  • 7800171
  • 51440B
Cage Codes:
  • Zf Industrieantriebe Witten Gmbh (CAGE D9182)
  • Babcock & Wilcox Company, The (CAGE 05073)
  • The Babcock & Wilcox Company (CAGE 58529)
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:

    596 - Gaskets, (machinery and parts),(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:

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

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $410.22 to $683.71..
Does NSN 5310-00-612-3890 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 Navy, Greece, and Turkey
What is the NIIN of NSN 5310-00-612-3890?
006123890 or 00-612-3890
Does NSN 5310-00-612-3890 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-612-3890?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Feb 05, 1975