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Technical Data Sheet
PartsTable / COMPONENT / 34910-43
34910-43 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-543-2772, indicating validated use in U.S. government and defense logistics supply chains.

Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
34910-43
NSN: 5305-00-543-2772
FSC: 5305
CAGE: 26924 — GAF CORP BROOKLYN PLANT (USA)
SPECIFICATIONS
head_stylePAN NO. 2
head_height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
thread_length0.188 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
screw_surface_treatmentPASSIVATE
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
NSN5305-00-543-2772
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 34910-43 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MINIMUM TENSILE STRENGTH: 80000 POUNDS PER SQUARE INCH LBS
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
HEAD STYLE: PAN NO. 2
•
FASTENER LENGTH: 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
TECHNICAL CHARACTERISTICS (FLIS)
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW MATERIALSTEEL CORROSION RESISTING
HEAD STYLEPAN NO. 2
FASTENER LENGTH0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
HEAD HEIGHT0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MS35233-40Interchangeable
interchangeable cross-reference
interchangeable
NAS1635+08+3Interchangeable
interchangeable cross-reference
interchangeable
13-108741-00Interchangeable
interchangeable cross-reference
interchangeable
17062ADXInterchangeable
interchangeable cross-reference
interchangeable
12Z1132-24Interchangeable
interchangeable cross-reference
interchangeable
MS35233-26Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34910-43?
34910-43 is a SCREW,MACHINE.
What parts can replace 34910-43?
There are 9 known substitutes for 34910-43: MS35233-40, NAS1635+08+3, 13-108741-00 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34910-43?
34910-43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-543-2772. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026