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721690-9 — STUD,SHOULDERED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

721690-9: STUD,SHOULDERED.

The STUD,SHOULDERED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thread_length: 0.375 INCHES NOMINAL STUD THREAD IN, overall_length: 0.750 INCHES NOMINAL IN, shoulder_length: 0.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.190 INCHES NUT THREAD IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-474-3225, 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
721690-9
NSN: 5307-01-474-3225
FSC: 5307 — Studs
CAGE: 05869 — RAYTHEON COMPANY DIV RMD STRATEGIC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thread_length0.375 INCHES NOMINAL STUD THREAD IN
overall_length0.750 INCHES NOMINAL IN
shoulder_length0.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.190 INCHES NUT THREAD IN
distance_across_flats0.512 INCHES NOMINAL IN
thread_quantity_per_inch32 NUT THREAD
thread_series_designatorUNF NUT THREAD
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-01-474-3225
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 721690-9 · 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: 0.375 INCHES NOMINAL STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.190 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.375 INCHES NOMINAL STUD THREAD IN
THREAD LENGTH0.375 INCHES NOMINAL NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.190 INCHES NUT THREAD IN
NOMINAL THREAD SIZE0.190 INCHES STUD THREAD IN
THREAD QUANTITY PER INCH32 STUD THREAD
THREAD QUANTITY PER INCH32 NUT THREAD
SUBSTITUTES & CROSS-REFERENCES 1
721690Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 721690-9?
721690-9 is a STUD,SHOULDERED.
What parts can replace 721690-9?
There is 1 known substitute for 721690-9: 721690. Substitute compatibility should be verified for your specific system.
What is the NSN for 721690-9?
721690-9 is cataloged in the U.S. Government catalog under NSN 5307-01-474-3225. 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.