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0127321 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

0127321: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thread_length: 3.750 INCHES NOMINAL IN, special_features: INSIDE LENGTH 9.500 INCHES; BOLT DIAMETER 0.625 INCHES IN, thread_quantity_per_inch: 11, part_name_assigned_by_controlling_agency: ROUND BEND LONG TANGENT U BOLT. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-735-5839, 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
0127321
NSN: 5306-01-735-5839
FSC: 5306 — Bolts
CAGE: 3P6T9 — FASTENAL COMPANY DIV NSSC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thread_length3.750 INCHES NOMINAL IN
special_featuresINSIDE LENGTH 9.500 INCHES; BOLT DIAMETER 0.625 INCHES IN
thread_quantity_per_inch11
part_name_assigned_by_controlling_agencyROUND BEND LONG TANGENT U BOLT
NSN5306-01-735-5839
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0127321 · 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 LENGTH: 3.750 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 11
•
MATERIAL: STEEL COMP 316 OVERALL
TECHNICAL CHARACTERISTICS
THREAD LENGTH3.750 INCHES NOMINAL IN
SPECIAL FEATURESINSIDE LENGTH 9.500 INCHES; BOLT DIAMETER 0.625 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYROUND BEND LONG TANGENT U BOLT
THREAD QUANTITY PER INCH11
MATERIALSTEEL COMP 316 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0127321?
0127321 is a BOLT,U.
What is the NSN for 0127321?
0127321 is cataloged in the U.S. Government catalog under NSN 5306-01-735-5839. 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.