Product Details | MACHINE SCREW

5305-00-637-5437 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: AN515C6R18, FFS92TYPE3STYLE1C, 5305-00-637-5437, 00-637-5437, 5305006375437, 006375437

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 00-637-5437

Drawings & Photos | NSN 5305-00-637-5437


Cross Reference | NSN 5305-00-637-5437

Part Number Cage Code Manufacturer
0453-232 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
177035-137 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
290-12-0042 95542 NORTHROP GRUMMAN SYSTEMS CORPORATION
4912531-10 03956 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVAL AND MARINE SYSTEMS
4912531-10 90536 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
639122-355 12436 BAE SYSTEMS NATIONAL SECURITY SOLUTIONS INC.
8599602-215 09691 L-3 COMMUNICATIONS ELECTRONIC SYSTEMS INC
8599602-215 99974 DELCO ELECTRONICS CORP DELCO SYSTEMS OPNS
908553-12 90536 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
9908553-12 12360 ALBANY FASTENERS PAWTUCKET FASTENERS DIV
AN515C6-18 D9182 BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
CAV70-4-18P 11871 RECON/OPTICAL, INC.
FFS92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS51957-124 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
N97P13018 97424 AMETEK, INC. DIV AEROSPACE & DEFENSE
P343&0177&00 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-00-637-5437

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 1.063 INCHES MINIMUM AND 1.125 INCHES MAXIMUM
FASTENER LENGTH 1.125 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 430 OR STEEL COMP 302
SCREW MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE OR MIL-S-7720 MIL SPEC 4TH MATERIAL RESPONSE
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE A28 ROUND
HEAD DIAMETER 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD HEIGHT 0.103 INCHES MAXIMUM
INTERNAL DRIVE STYLE B1 CROSS RECESS TYPE 1
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN515C6R18
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFS92TYPE3STYLE1C

Restrictions/Controls & Freight Information | NSN 5305-00-637-5437

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
Category Code Description
No Freight Information