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31000-01323 — SCREW,CAP,HEXAGON HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

31000-01323: SCREW,CAP,HEXAGON HEAD.

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.609 MILLIMETERS NOMINAL MM, thread_class: 2A A, thread_length: 2.50 INCHES NOMINAL IN, fastener_length: 8.0 INCHES NOMINAL IN, hardness_rating: 36.0 ROCKWELL C NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-701-0358, 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
31000-01323
NSN: 5305-01-701-0358
FSC: 5305 — Screws
CAGE: 1CSL0 — SCHUTT INDUSTRIES OF CLINTONVILLE, WIS., INC. DIV SCHUTT INDUSTRIES OF CLINTONVILLE, WI INC. (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.609 MILLIMETERS NOMINAL MM
thread_class2A A
thread_length2.50 INCHES NOMINAL IN
fastener_length8.0 INCHES NOMINAL IN
hardness_rating36.0 ROCKWELL C NOMINAL OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats1.4845 INCHES NOMINAL IN
end_item_identificationNSN 2330-016033559
nominal_thread_diameter1.00 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
NSN5305-01-701-0358
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 31000-01323 · 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: 0.609 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 8.0 INCHES NOMINAL IN
•
THREAD LENGTH: 2.50 INCHES NOMINAL IN
•
HARDNESS RATING: 36.0 ROCKWELL C NOMINAL OVERALL
•
NOMINAL THREAD DIAMETER: 1.00 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 1.4845 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.609 MILLIMETERS NOMINAL MM
FASTENER LENGTH8.0 INCHES NOMINAL IN
THREAD LENGTH2.50 INCHES NOMINAL IN
HARDNESS RATING36.0 ROCKWELL C NOMINAL OVERALL
NOMINAL THREAD DIAMETER1.00 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS1.4845 INCHES NOMINAL IN
COLORYELLOW OVERALL
SURFACE TREATMENTZINC OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 31000-01323?
31000-01323 is a SCREW,CAP,HEXAGON HEAD.
What is the NSN for 31000-01323?
31000-01323 is cataloged in the U.S. Government catalog under NSN 5305-01-701-0358. 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.