Product Details | RECESSED WASHER

5310-00-470-8171 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: P547822, P547-8-2-2, 5310-00-470-8171, 00-470-8171, 5310004708171, 004708171

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 04 FEB 1970 00-470-8171

Cross Reference | NSN 5310-00-470-8171

Part Number Cage Code Manufacturer
P547-8-2-2 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5310-00-470-8171

Characteristic Specifications
MATERIAL STEEL COMP 4130
MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE
HARDNESS RATING NOT RATED
HOLE DIAMETER 0.555 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
OUTSIDE DIAMETER 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
RECESS DIAMETER 0.622 INCHES MINIMUM AND 0.642 INCHES MAXIMUM
MATERIAL THICKNESS 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM
RECESS ANGLE 90.0 DEGREES NOMINAL
SPECIAL FEATURES OD HAS 0.060 IN. RADIUS ON SIDE OPPOSITE RECESS
MANUFACTURERS CODE 81755
DESIGN CONTROL REFERENCE P547-8-2-2

Restrictions/Controls & Freight Information | NSN 5310-00-470-8171

Category Code Description
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.
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
NMF Description 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating U 50
Less than truck load rating U 50.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable