Product Details | LOCKED IN STUD

5307-00-977-1761 A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same nominal diameter. It is designed to be locked in place by either a RING, LOCK, SERRATED or a RING, LOCK, KEYED.

Part Alternates: S234357A, S234-3-57A, 877B3MB32, 877B-3MB-32, 5307-00-977-1761, 00-977-1761, 5307009771761, 009771761

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 12 OCT 1966 00-977-1761

Drawings & Photos | NSN 5307-00-977-1761


Cross Reference | NSN 5307-00-977-1761

Part Number Cage Code Manufacturer
877B-3MB-32 01556 EMHART TEKNOLOGIES LLC DBA EMHART FASTENING TEKNOLOGIES
S234-3-57A 01556 EMHART TEKNOLOGIES LLC DBA EMHART FASTENING TEKNOLOGIES

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Technical Data | NSN 5307-00-977-1761

Characteristic Specifications
MATERIAL STEEL COMP 4130
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT CADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATOR 38 LOCKED IN
SHOULDER DIAMETER 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SHOULDER LENGTH 0.032 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
DISTANCE FROM SHOULDER PORTION TO NUT END 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM
OVERALL LENGTH 0.729 INCHES MINIMUM AND 0.769 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNF NUT THREAD UNC STUD THREAD
NOMINAL THREAD SIZE 0.190 INCHES NUT THREAD 0.250 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD 3A STUD THREAD
THREAD QUANTITY PER INCH 32 NUT THREAD 20 STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM NUT THREAD 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM STUD THREAD
LOCKING FEATURE KEY INSERTS
III HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MANUFACTURERS CODE 01556
DESIGN CONTROL REFERENCE 877B-3MB-32

Restrictions/Controls & Freight Information | NSN 5307-00-977-1761

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 093470 BOLTS/NUTS I/S
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 573 unknown
Originating Activity Code CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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