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121-16655-052 — STUD,PLAIN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

121-16655-052: STUD,PLAIN.

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: COBALT ALLOY, overall_length: 6.625 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.875 INCHES NUT THREAD IN, thread_quantity_per_inch: 9 NUT THREAD, thread_series_designator: UNIFIED NATIONAL COARSE (UNC) STUD THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-413-0321, 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
121-16655-052
NSN: 5307-01-413-0321
FSC: 5307 — Studs
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialCOBALT ALLOY
overall_length6.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.875 INCHES NUT THREAD IN
thread_quantity_per_inch9 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-C-00465 C61400 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-01-413-0321
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121-16655-052 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-00465 C61400 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.875 INCHES NUT THREAD IN
•
THREAD QUANTITY PER INCH: 9 STUD THREAD
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-00465 C61400 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH6.625 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.875 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.875 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH9 STUD THREAD
THREAD QUANTITY PER INCH9 NUT THREAD
MATERIALCOBALT ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD
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 1
021-16655B052Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 121-16655-052?
121-16655-052 is a STUD,PLAIN.
What parts can replace 121-16655-052?
There is 1 known substitute for 121-16655-052: 021-16655B052. Substitute compatibility should be verified for your specific system.
What is the NSN for 121-16655-052?
121-16655-052 is cataloged in the U.S. Government catalog under NSN 5307-01-413-0321. This indicates validated use in U.S. government and defense supply chains.
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