Product Details | MACHINE SCREW

5305-01-273-4503 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Part Alternates: 878779-226, 5305-01-273-4503, 01-273-4503, 5305012734503, 878779226, 012734503

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 25 FEB 1988 01-273-4503

Drawings & Photos | NSN 5305-01-273-4503


Cross Reference | NSN 5305-01-273-4503

Part Number Cage Code Manufacturer
878779-226 02751 BLACK ANAD WEBSTER INC NYLOGRIP PRODUCTS DIV
878779-226 06424 ALLIANT TECHSYSTEMS OPERATIONS LLC DIV DEFENSE ELECTRONIC SYSTEMS
878779-226 56232 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
878779-226 70318 ALLMETAL SCREW PRODUCTS CORP DBA ALL METAL SCREW PRODUCTS
878779-226 76301 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 5305-01-273-4503

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
SCREW MATERIAL PLASTIC POLYAMIDE
SCREW MATERIAL DOCUMENT AND CLASSIFICATION MIL-P-20693 TY1 MIL SPEC SINGLE MATERIAL RESPONSE
HEAD STYLE A20 BINDING
HEAD DIAMETER 0.275 INCHES MINIMUM AND 0.290 INCHES MAXIMUM
HEAD HEIGHT 0.071 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
INTERNAL DRIVE STYLE B10 SLOT

Restrictions/Controls & Freight Information | NSN 5305-01-273-4503

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code GX HQ Defense Logistics Agency, Enterprise Business
Systems
Fort Belvoir, VA 22060
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

Management | NSN 5305-01-273-4503

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each