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Technical Data Sheet
PartsTable / COMPONENT / 1-2 13X4IN
1-2 13X4IN ✓ 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 BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: SQUARE, grip_length: 2.750 INCHES NOMINAL IN, head_height: 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-042-6938, 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
1-2 13X4IN
NSN: 5306-00-042-6938
FSC: 5306
CAGE: 47562 — GAGE CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleSQUARE
grip_length2.750 INCHES NOMINAL IN
head_height0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length4.000 INCHES NOMINAL IN
hardness_rating95.0 ROCKWELL B MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN5306-00-042-6938
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-2 13X4IN · 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
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
WIDTH BETWEEN FLATS: 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 13
•
FASTENER LENGTH: 4.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
•
GRIP LENGTH: 2.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.500 INCHES IN
WIDTH BETWEEN FLATS0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
HEAD HEIGHT0.308 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH13
FASTENER LENGTH4.000 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES MINIMUM IN
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
GRIP LENGTH2.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
FEATURES PROVIDEDUNFINISHED HEAD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
102484Upgraded Successor
successor cross-reference
successor
FFB575Upgraded Successor
successor cross-reference
successor
MS35354-201Upgraded Successor
successor cross-reference
successor
102495Upgraded Successor
successor cross-reference
successor
109177Upgraded Successor
successor cross-reference
successor
131286Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-2 13X4IN?
1-2 13X4IN is a BOLT,MACHINE.
What parts can replace 1-2 13X4IN?
There are 18 known substitutes for 1-2 13X4IN: 102484, FFB575, MS35354-201 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1-2 13X4IN still available?
1-2 13X4IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026