Product Details | LOCK WASHER

5310-00-638-4552 A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part Alternates: AN936A4B, DR55205, FFW100, FF-W-100, G304CB, G30-4CB, 5310-00-638-4552, 00-638-4552, 5310006384552, 006384552

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-638-4552

Drawings & Photos | NSN 5310-00-638-4552


Demand History | NSN 5310-00-638-4552

Part Number Request Date QTY Origin
FFW100 2014-07-196 42 United States
FFW100 2014-06-175 55 United States

Cross Reference | NSN 5310-00-638-4552

Part Number Cage Code Manufacturer
AN936A4B 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
DR55205 52033 DAVID ROUND COMPANY, THE
FF-W-100 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
G30-4CB 06481 NORTHROP GRUMMAN SYSTEMS CORPORATION

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Technical Data | NSN 5310-00-638-4552

Characteristic Specifications
MATERIAL COPPER ALLOY 240 OR COPPER ALLOY 425 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-750 FED SPEC 1ST MATERIAL RESPONSE OR ASTM B36 UNS C24000 ASSN STD 1ST MATERIAL RESPONSE OR CDA 425 ASSN STD 2ND MATERIAL RESPONSE OR ASTM B591 UNS C42500 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-B-426,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HARDNESS RATING 85.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
STYLE DESIGNATOR 101 FLAT INTERNAL TEETH
HOLE DIAMETER 0.116 INCHES MINIMUM AND 0.123 INCHES MAXIMUM
OUTSIDE DIAMETER 0.255 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
MATERIAL THICKNESS 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA 81348-FF-W-100 GOVERNMENT SPECIFICATION AND 88044-AN936/CANCELED/ GOVERNMENT STANDARD
NONDEFINITIVE SPEC/STD DATA 1 TYPE AND A GRADE AND 1 STYLE AND 3 COMPOSITION OR 4 COMPOSITION
DEPARTURE FROM CITED DOCUMENT AS MODIFIED BY CADMIUM W/ CHROMATE PLATING
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-100

Restrictions/Controls & Freight Information | NSN 5310-00-638-4552

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 XX
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