PartsTable
Technical Data Sheet
537959 ✓ 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 COMP 601 OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN, hole_diameter: 0.065 INCHES NOMINAL IN, thread_length: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-638-8275, 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
537959
NSN: 5306-00-638-8275
FSC: 5306
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL COMP 601 OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
hole_diameter0.065 INCHES NOMINAL IN
hole_quantity1
thread_length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
NSN5306-00-638-8275
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 537959 · 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
THREAD DIRECTION: RIGHT-HAND
MATERIAL: STEEL COMP 601 OVERALL
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT: 0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
HEAD STYLE: HEXAGON
FASTENER LENGTH: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH: 24
HOLE DIAMETER: 0.065 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 601 OVERALL
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
HEAD HEIGHT0.193 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
FASTENER LENGTH0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
HOLE DIAMETER0.065 INCHES NOMINAL IN
HOLE QUANTITY1
THREAD SERIES DESIGNATORUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
MT3544Interchangeable
interchangeable cross-reference
interchangeable
FB10Interchangeable
interchangeable cross-reference
interchangeable
2-214Interchangeable
interchangeable cross-reference
interchangeable
424066Interchangeable
interchangeable cross-reference
interchangeable
AV117J3139Interchangeable
interchangeable cross-reference
interchangeable
221410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 537959?
537959 is a BOLT,MACHINE.
What parts can replace 537959?
There are 6 known substitutes for 537959: MT3544, FB10, 2-214 and 3 more. Substitute compatibility should be verified for your specific system.
Is 537959 still available?
537959 is currently cancelled.
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