PartsTable
Technical Data Sheet
Download PDF

21544001 — BOLT,CLEVIS

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

21544001: BOLT,CLEVIS.

The BOLT,CLEVIS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 1.000 INCHES NOMINAL IN, thread_class: 2A A, grip_diameter: 0.312 INCHES NOMINAL IN, thread_length: 0.750 INCHES NOMINAL IN, fastener_length: 1.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-390-3839, 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
21544001
NSN: 5306-01-390-3839
FSC: 5306 — Bolts
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
grip_length1.000 INCHES NOMINAL IN
thread_class2A A
grip_diameter0.312 INCHES NOMINAL IN
thread_length0.750 INCHES NOMINAL IN
fastener_length1.750 INCHES NOMINAL IN
groove_diameter0.350 INCHES NOMINAL IN
special_featuresHOLE THRU HEAD-DIA. 0.249 IN. MIN. AND 0.250 IN. MAX. IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
NSN5306-01-390-3839
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21544001 · 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: 1.750 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.350 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.000 INCHES NOMINAL IN
•
GRIP DIAMETER: 0.312 INCHES NOMINAL IN
•
COLOR: BLACK OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.750 INCHES NOMINAL IN
GROOVE DIAMETER0.350 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.000 INCHES NOMINAL IN
GRIP DIAMETER0.312 INCHES NOMINAL IN
COLORBLACK OVERALL
SPECIAL FEATURESHOLE THRU HEAD-DIA. 0.249 IN. MIN. AND 0.250 IN. MAX. IN
SURFACE TREATMENTOXIDE OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
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
Ready to buy 21544001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 21544001?
21544001 is a BOLT,CLEVIS.
What is the NSN for 21544001?
21544001 is cataloged in the U.S. Government catalog under NSN 5306-01-390-3839. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 21544001

✓ 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.