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Technical Data Sheet
PartsTable / COMPONENT / 222583
222583 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN, fastener_length: 1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-2583, 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
222583
NSN: 5306-00-022-2583
FSC: 5306
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
thread_class2A A
thread_length1.500 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN
fastener_length1.688 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
locking_featureDISTORTIONS BEARING SURFACE OF HEAD
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.860 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
NSN5306-00-022-2583
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 222583 · 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
•
THREAD QUANTITY PER INCH: 18
•
FASTENER LENGTH: 1.718 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
MINIMUM TENSILE STRENGTH: 95000 POUNDS PER SQUARE INCH LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1035 OVERALL
•
LOCKING FEATURE: DISTORTIONS BEARING SURFACE OF HEAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18
FASTENER LENGTH1.718 INCHES MINIMUM AND 1.782 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.861 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1035 OVERALL
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
MS35764-1017Upgraded Successor
successor cross-reference
successor
MILB45912Upgraded Successor
successor cross-reference
successor
MS35763-1017Upgraded Successor
successor cross-reference
successor
MS35764-1048Upgraded Successor
successor cross-reference
successor
5306008165991Upgraded Successor
successor cross-reference
successor
MS35763-1048Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 222583?
222583 is a BOLT,MACHINE.
What parts can replace 222583?
There are 13 known substitutes for 222583: MS35764-1017, MILB45912, MS35763-1017 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 222583?
222583 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-2583. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026