Concave Washer

NSN: 5310-00-144-3391 | Model: 642AS0737-1

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 recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

NSN Properties and Flags

NATO Stock Number

5310-00-144-3391

DEMIL

Hole Diameter

Between 0.323 inches and 0.343 inches

Radius

0.266 inches

Outside Diameter

Between 0.465 inches and 0.475 inches

Recess Depth

0.049 inches

Material Thickness

0.111 inches

Material

Steel

Style Designator

Concave

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: 825
New: 8161

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.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 5310-00-144-3391 Datasheet

Supply Class (FSC):

Nuts And Washers

Cross Reference:

642AS0737-1
ST3M573W4
ST3M683-4
SW2000-8W
MM135-4
SW2000-8W
SW2000-8W
SW2000-8W
SW2000-8W
SW2000-8W
SW2000-8W
SW2000-8W
10116580
SW2000-8W

Cage Codes:

Zf Industrieantriebe Witten Gmbh (CAGE D9182)
Boeing Company, The (CAGE 76301)
Sps Technologies, Llc (CAGE 80539)
Moeller Manufacturing & Supply, Inc. (CAGE 58009)
Arconic Global Fasteners & Rings, (CAGE 5M902)
Sps Technologies, Llc (CAGE 56878)
Alcoa Fastening Systems (CAGE C4293)
Shear Corporation Hi (CAGE 73197)
Lisi Aerospace Canada Corp (CAGE L4528)
Satair A/s (CAGE R1120)
Kaiser Fluid Technologies Inc. (CAGE 99215)
Nimikkeistokeskus Ncb Finland (CAGE A486G)
Alcoa Global Fasteners, Inc. (CAGE 92215)

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

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:

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
Z
Quantity per pack
100
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9sx-v
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $7.37 to $12.29..
Does NSN 5310-00-144-3391 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, Finland, Spain, Singapore, Malaysia, Australia, Canada, Germany, Republic Of Korea, and Italy
What is the NIIN of NSN 5310-00-144-3391?
001443391 or 00-144-3391
Does NSN 5310-00-144-3391 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5310-00-144-3391?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 15, 1973