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22KP523 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

22KP523: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, fastener_length: 1.000 INCHES NOMINAL IN, hardness_rating: 25.0 ROCKWELL C MINIMUM OVERALL, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, end_item_identification: 5980-01-558-1080; ELECTRO-OPTIC MAINTENANCE SHELTER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-581-9121, 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
22KP523
NSN: 5305-01-581-9121
FSC: 5305 — Screws
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
fastener_length1.000 INCHES NOMINAL IN
hardness_rating25.0 ROCKWELL C MINIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
end_item_identification5980-01-558-1080; ELECTRO-OPTIC MAINTENANCE SHELTER
minimum_tensile_strength120 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agencySERRATED FLANGE HEX CAP SCREW
NSN5305-01-581-9121
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 22KP523 · 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: 1.000 INCHES NOMINAL IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
MINIMUM TENSILE STRENGTH: 120 POUNDS PER SQUARE INCH LBS
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.000 INCHES NOMINAL IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
MINIMUM TENSILE STRENGTH120 POUNDS PER SQUARE INCH LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYSERRATED FLANGE HEX CAP SCREW
END ITEM IDENTIFICATION5980-01-558-1080; ELECTRO-OPTIC MAINTENANCE SHELTER
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
92323A537Same 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 22KP523?
22KP523 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 22KP523?
There is 1 known substitute for 22KP523: 92323A537. Substitute compatibility should be verified for your specific system.
What is the NSN for 22KP523?
22KP523 is cataloged in the U.S. Government catalog under NSN 5305-01-581-9121. 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.