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91773A541 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

91773A541: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, thread_length: 0.875 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, internal_drive_style: CROSS RECESS TYPE II. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-626-7992, 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
91773A541
NSN: 5305-01-626-7992
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
head_styleROUND
thread_length0.875 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE II
end_item_identification2355-22-622-7966
nominal_thread_diameter0.25 INCHES IN
part_name_assigned_by_controlling_agencyROUND HEAD PHILLIPS MACHINE SCREW
NSN5305-01-626-7992
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 91773A541 · 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
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.25 INCHES IN
•
HEAD STYLE: ROUND
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE II
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.875 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.25 INCHES IN
HEAD STYLEROUND
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLECROSS RECESS TYPE II
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND HEAD PHILLIPS MACHINE SCREW
END ITEM IDENTIFICATION2355-22-622-7966
SUBSTITUTES & CROSS-REFERENCES 1
7501010-DReference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 91773A541?
91773A541 is a SCREW,MACHINE.
What parts can replace 91773A541?
There is 1 known substitute for 91773A541: 7501010-D. Substitute compatibility should be verified for your specific system.
What is the NSN for 91773A541?
91773A541 is cataloged in the U.S. Government catalog under NSN 5305-01-626-7992. 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.