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91810A252 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91810A252: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.137 INCHES NOMINAL IN, head_diameter: 0.359 INCHES NOMINAL IN, thread_length: 1.750 INCHES NOMINAL IN, screw_material: STEEL COMP 302, fastener_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-532-9641, 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
91810A252
NSN: 5305-01-532-9641
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleROUND
head_height0.137 INCHES NOMINAL IN
head_diameter0.359 INCHES NOMINAL IN
thread_length1.750 INCHES NOMINAL IN
screw_materialSTEEL COMP 302
fastener_length1.750 INCHES NOMINAL IN
hardness_rating85.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
internal_drive_styleSLOT
end_item_identificationEND ITEM NSN: 5985-01-425-5641 G92NHA ANTENNA GROUP 0E-2221/G
nominal_thread_diameter0.190 INCHES IN
minimum_tensile_strength80000 POUNDS PER SQUARE INCH LBS
NSN5305-01-532-9641
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91810A252 · 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: 0.137 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.750 INCHES NOMINAL IN
•
THREAD LENGTH: 1.750 INCHES NOMINAL IN
•
HARDNESS RATING: 85.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL COMP 302
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.137 INCHES NOMINAL IN
FASTENER LENGTH1.750 INCHES NOMINAL IN
THREAD LENGTH1.750 INCHES NOMINAL IN
HARDNESS RATING85.0 ROCKWELL B MINIMUM AND 95.0 ROCKWELL B MAXIMUM
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 302
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
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 1
91783A252Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91810A252?
91810A252 is a SCREW,MACHINE.
What parts can replace 91810A252?
There is 1 known substitute for 91810A252: 91783A252. Substitute compatibility should be verified for your specific system.
What is the NSN for 91810A252?
91810A252 is cataloged in the U.S. Government catalog under NSN 5305-01-532-9641. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.