Product Details | SHOULDERED AND RECESSED WASHER

5310-00-721-7536 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.

Part Alternates: BL2807, BL2907, 5310-00-721-7536, 00-721-7536, 5310007217536, 007217536

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-7536

Drawings & Photos | NSN 5310-00-721-7536


Demand History | NSN 5310-00-721-7536

Part Number Request Date QTY Origin
BL2807 2021-10-285 6 DIBBS
BL2807 2021-04-101 6 DIBBS
BL2807 2021-04-91 6 DIBBS

Cross Reference | NSN 5310-00-721-7536

Part Number Cage Code Manufacturer
BL2807 08484 BREEZE-EASTERN CORPORATION
BL2907 08484 BREEZE-EASTERN CORPORATION

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Technical Data | NSN 5310-00-721-7536

Characteristic Specifications
MATERIAL STEEL COMP 1117 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 18 SHOULDERED AND RECESSED
HOLE DIAMETER 0.278 INCHES MINIMUM AND 0.281 INCHES MAXIMUM
SHOULDER DIAMETER 0.406 INCHES NOMINAL
SHOULDER HEIGHT 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM
MATERIAL THICKNESS 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
MANUFACTURERS CODE 08484
DESIGN CONTROL REFERENCE BL2807

Restrictions/Controls & Freight Information | NSN 5310-00-721-7536

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information