Product Details | LOCKED IN STUD

5307-00-977-1754 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: S2563714A, S256-3-714A, 881B5MB0875, 881B-5MB0875, 5307-00-977-1754, 00-977-1754, 5307009771754, 009771754

Hardware and Abrasives | Studs

Supply Group (FSG) NSN Assign. NIIN
53 12 OCT 1966 00-977-1754

Drawings & Photos | NSN 5307-00-977-1754


Cross Reference | NSN 5307-00-977-1754

Part Number Cage Code Manufacturer
881B-5MB0875 01556 EMHART TEKNOLOGIES LLC DBA EMHART FASTENING TEKNOLOGIES
S256-3-714A 01556 EMHART TEKNOLOGIES LLC DBA EMHART FASTENING TEKNOLOGIES

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Technical Data | NSN 5307-00-977-1754

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 0.301 INCHES MINIMUM AND 0.311 INCHES MAXIMUM
SHOULDER LENGTH 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
DISTANCE FROM SHOULDER PORTION TO NUT END 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
OVERALL LENGTH 1.292 INCHES MINIMUM AND 1.332 INCHES MAXIMUM
THREAD SERIES DESIGNATOR UNF NUT THREAD UNC STUD THREAD
NOMINAL THREAD SIZE 0.312 INCHES NUT THREAD 0.375 INCHES STUD THREAD
THREAD CLASS 3A NUT THREAD 3A STUD THREAD
THREAD QUANTITY PER INCH 24 NUT THREAD 16 STUD THREAD
THREAD DIRECTION RIGHT-HAND NUT THREAD RIGHT-HAND STUD THREAD
THREAD LENGTH 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM NUT THREAD 0.387 INCHES MINIMUM AND 0.397 INCHES MAXIMUM STUD THREAD
LOCKING FEATURE RING, LOCK SERRATED
III HARDNESS RATING 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MANUFACTURERS CODE 01556
DESIGN CONTROL REFERENCE 881B-5MB0875

Restrictions/Controls & Freight Information | NSN 5307-00-977-1754

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