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Technical Data Sheet
PartsTable / COMPONENT / 1-2X4FIG137
1-2X4FIG137 ✓ 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,U is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_length: 3.000 INCHES MINIMUM IN, style_designator: ROUND BEND, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-083-4935, 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
1-2X4FIG137
NSN: 5306-00-083-4935
FSC: 5306
CAGE: 80996 — ITT GRINNELL CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_length3.000 INCHES MINIMUM IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
inside_distance_between_shanks4.562 INCHES NOMINAL IN
distance_from_inside_center_of_bend_to_bolt_end6.750 INCHES NOMINAL IN
NSN5306-00-083-4935
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1-2X4FIG137 · 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
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: ROUND BEND
•
THREAD CLASS: 2A A
•
SURFACE TREATMENT: ZINC OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 13
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
INSIDE DISTANCE BETWEEN SHANKS: 4.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
STYLE DESIGNATORROUND BEND
THREAD CLASS2A A
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH13
NOMINAL THREAD DIAMETER0.500 INCHES IN
INSIDE DISTANCE BETWEEN SHANKS4.562 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH3.000 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1374Interchangeable
interchangeable cross-reference
interchangeable
TR1179Interchangeable
interchangeable cross-reference
interchangeable
520869Interchangeable
interchangeable cross-reference
interchangeable
101-0316Interchangeable
interchangeable cross-reference
interchangeable
101C316Interchangeable
interchangeable cross-reference
interchangeable
102-5122Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-2X4FIG137?
1-2X4FIG137 is a BOLT,U.
What parts can replace 1-2X4FIG137?
There are 18 known substitutes for 1-2X4FIG137: 1374, TR1179, 520869 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1-2X4FIG137 still available?
1-2X4FIG137 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