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211055248 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

211055248: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340, thread_class: 3A NUT THREAD A, thread_length: 4.250 INCHES NOMINAL STUD THREAD IN, overall_length: 1.730 FEET NOMINAL FT, locking_feature: KEY INSERTS, thread_direction: RIGHT-HAND NUT THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-376-0909, 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
211055248
NSN: 5307-01-376-0909
FSC: 5307 — Studs
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP E4340
thread_class3A NUT THREAD A
thread_length4.250 INCHES NOMINAL STUD THREAD IN
overall_length1.730 FEET NOMINAL FT
locking_featureKEY INSERTS
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size3.250 INCHES STUD THREAD IN
thread_quantity_per_inch4 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
material_document_and_classificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-01-376-0909
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 211055248 · 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: 4.250 INCHES NOMINAL NUT THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 3.250 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH4.250 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH4.250 INCHES NOMINAL STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.730 FEET NOMINAL FT
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE3.250 INCHES NUT THREAD IN
NOMINAL THREAD SIZE3.250 INCHES STUD THREAD IN
LOCKING FEATUREKEY INSERTS
THREAD CLASS3A NUT THREAD A
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
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 211055248?
211055248 is a STUD,LOCKED IN.
What is the NSN for 211055248?
211055248 is cataloged in the U.S. Government catalog under NSN 5307-01-376-0909. 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.