Product Details | RECESSED WASHER

5310-01-058-0773 A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes WASHER, CONCAVE, RETAINER, PACKING, and thrust type washers. See also SPACER, SLEEVE; and SPACER, STEPPED.

Part Alternates: MS21206C10, 5310-01-058-0773, 01-058-0773, 5310010580773, 010580773

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 22 MAR 1978 01-058-0773

Demand History | NSN 5310-01-058-0773

Part Number Request Date QTY Origin
5310-01-058-0773 2023-04-103 5139 DIBBS
MS21206C10 2023-03-67 14 Taiwan
5310-01-058-0773 2022-07-187 5253 DIBBS
5310-01-058-0773 2018-11-305 6556 DIBBS
5310-01-058-0773 2014-02-35 8 CA
5310-01-058-0773 2012-06-167 15652 DIBBS
MS21206C10 2011-03-74 10 United States
5310-01-058-0773 2008-03-64 8151 DIBBS
5310-01-058-0773 2008-01-25 10169 DIBBS

Cross Reference | NSN 5310-01-058-0773

Part Number Cage Code Manufacturer
MS21206C10 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Technical Data | NSN 5310-01-058-0773

Characteristic Specifications
MATERIAL STEEL COMP 4130
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM AND CHROMATE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
HOLE DIAMETER 0.627 INCHES MINIMUM AND 0.631 INCHES MAXIMUM
OUTSIDE DIAMETER 1.115 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
RECESS DIAMETER 0.778 INCHES MINIMUM AND 0.788 INCHES MAXIMUM
MATERIAL THICKNESS 0.071 INCHES MINIMUM AND 0.085 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS21206C10

Restrictions/Controls & Freight Information | NSN 5310-01-058-0773

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