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91802A540 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91802A540: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: OVAL, head_height: 0.232 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.477 INCHES NOMINAL IN, thread_length: 0.518 INCHES NOMINAL IN, screw_material: STEEL COMP 302 AND STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-573-1995, 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
91802A540
NSN: 5305-01-573-1995
FSC: 5305 — Screws
CAGE: 3A054 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleOVAL
head_height0.232 INCHES NOMINAL IN
thread_class2A A
head_diameter0.477 INCHES NOMINAL IN
thread_length0.518 INCHES NOMINAL IN
screw_materialSTEEL COMP 302 AND STEEL
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE III
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-573-1995
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91802A540 · 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: 0.232 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.518 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: OVAL
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 302 AND STEEL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.232 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.518 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEOVAL
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302 AND STEEL
SPECIAL FEATURESUSE A COUNTERSINK TO CREATE A RECESS. THE BODY DIAMETER OF YOUR COUNTERSINK SHOULD BE EQUAL TO OR LARGER THAN YOUR SCREWS HEAD DIA AND ITS INCLUDED ANGLE SHOULD MATCH YOUR SCREWS HEAD ANGLE. HEAD ANGLE IS 82 DEGREES
INTERNAL DRIVE STYLECROSS RECESS TYPE III
PART NAME ASSIGNED BY CONTROLLING AGENCY18-8 STAINLESS STEEL PHILLIPS OVAL HEAD MACHINE SCREW
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

No substitute or cross-reference records for this part.

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 91802A540?
91802A540 is a SCREW,MACHINE.
What is the NSN for 91802A540?
91802A540 is cataloged in the U.S. Government catalog under NSN 5305-01-573-1995. This indicates validated use in U.S. government and defense supply chains.
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