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91420A538 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91420A538: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 4.0 MILLIMETERS NOMINAL MM, head_diameter: 14.5 MILLIMETERS NOMINAL MM, thread_length: 26.0 MILLIMETERS NOMINAL MM, screw_material: STEEL, fastener_length: 30.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-681-6828, 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
91420A538
NSN: 5305-01-681-6828
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_height4.0 MILLIMETERS NOMINAL MM
head_diameter14.5 MILLIMETERS NOMINAL MM
thread_length26.0 MILLIMETERS NOMINAL MM
screw_materialSTEEL
fastener_length30.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter8.0 MILLIMETERS MM
screw_surface_treatmentZINC
minimum_tensile_strength60000 POUNDS PER SQUARE INCH LBS
thread_series_designatorM
thread_pitch_in_millimeters1.25
NSN5305-01-681-6828
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91420A538 · 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: 4.0 MILLIMETERS NOMINAL MM
•
SCREW SURFACE TREATMENT: ZINC
•
FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL MM
•
THREAD PITCH IN MILLIMETERS: 1.25
•
THREAD LENGTH: 26.0 MILLIMETERS NOMINAL MM
•
NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS MM
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT4.0 MILLIMETERS NOMINAL MM
SCREW SURFACE TREATMENTZINC
FASTENER LENGTH30.0 MILLIMETERS NOMINAL MM
THREAD PITCH IN MILLIMETERS1.25
THREAD LENGTH26.0 MILLIMETERS NOMINAL MM
NOMINAL THREAD DIAMETER8.0 MILLIMETERS MM
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH60000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
F-FPM08C-S30Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91420A538?
91420A538 is a SCREW,MACHINE.
What parts can replace 91420A538?
There is 1 known substitute for 91420A538: F-FPM08C-S30. Substitute compatibility should be verified for your specific system.
What is the NSN for 91420A538?
91420A538 is cataloged in the U.S. Government catalog under NSN 5305-01-681-6828. This indicates validated use in U.S. government and defense supply chains.
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