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MA2123R06-40 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MA2123R06-40: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: PAN, head_height: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, thread_length: 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN, screw_material: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-254-7253, 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
MA2123R06-40
NSN: 5305-01-254-7253
FSC: 5305 — Screws
CAGE: 58845 — ABOUNDING SECURITY INC DIV OF MAA CORP (USA)
SPECIFICATIONS
head_stylePAN
head_height0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.308 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_length0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
screw_materialSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
fastener_length2.824 INCHES MINIMUM AND 2.854 INCHES MAXIMUM IN
hardness_rating36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
special_featuresINTERNAL DRIVE RIBBED
thread_directionRIGHT-HAND
internal_drive_styleTORQUE SET
nominal_thread_diameter0.164 INCHES IN
NSN5305-01-254-7253
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MA2123R06-40 · 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
•
HEAD HEIGHT: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
•
FASTENER LENGTH: 2.824 INCHES MINIMUM AND 2.854 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: PAN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
FASTENER LENGTH2.824 INCHES MINIMUM AND 2.854 INCHES MAXIMUM IN
THREAD LENGTH0.314 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEPAN
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150
SPECIAL FEATURESINTERNAL DRIVE RIBBED
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 5
LE111-0023-2240Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
A433-2240Reference document
Same NSN cross-reference
Reference document — Secondary reference
SC2176R-08-40Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PBF1375-2240Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
W111-0023-2240Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MA2123R06-40?
MA2123R06-40 is a SCREW,MACHINE.
What parts can replace MA2123R06-40?
There are 5 known substitutes for MA2123R06-40: LE111-0023-2240, A433-2240, SC2176R-08-40 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MA2123R06-40?
MA2123R06-40 is cataloged in the U.S. Government catalog under NSN 5305-01-254-7253. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.