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DF330689 FIND 20 — STUD,CONTINUOUS THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

DF330689 FIND 20: STUD,CONTINUOUS THREAD.

The STUD,CONTINUOUS THREAD is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 2.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, thread_quantity_per_inch: 13 LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-350-8682, 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
DF330689 FIND 20
NSN: 5307-01-350-8682
FSC: 5307 — Studs
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_length2.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
thread_quantity_per_inch13 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
nondefinitive_spec/std_data4 TYPE AND 500 GRADE
criticality_code_justificationZZZX
departure_from_cited_designatorMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSFOR LEVEL 1 ITEMS
NSN5307-01-350-8682
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DF330689 FIND 20 · 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
•
CRITICALITY CODE JUSTIFICATION: ZZZX
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
DEPARTURE FROM CITED DESIGNATOR: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSFOR LEVEL 1 ITEMS
•
NONDEFINITIVE SPEC/STD DATA: 4 TYPE AND 500 GRADE
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 13 LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZX
OVERALL LENGTH2.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
DEPARTURE FROM CITED DESIGNATORMATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMSFOR LEVEL 1 ITEMS
NONDEFINITIVE SPEC/STD DATA4 TYPE AND 500 GRADE
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
THREAD QUANTITY PER INCH13 LOCATION NOT OTHERWISE SPECIFIED
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
SUBSTITUTES & CROSS-REFERENCES 9
1/2-13UNC-3A X 2 1/4 INCHESL1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MIL-DTL-1222,TYIV,GR500L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
211069423L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1/2-13UNC-3A X 2 1/4 INCHESReference document
Same NSN cross-reference
Reference document — Secondary reference
167-6404610 FIND 107Reference document
Same NSN cross-reference
Reference document — Secondary reference
QQ-N-286 GRAND 500L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DF330689 FIND 20?
DF330689 FIND 20 is a STUD,CONTINUOUS THREAD.
What parts can replace DF330689 FIND 20?
There are 9 known substitutes for DF330689 FIND 20: 1/2-13UNC-3A X 2 1/4 INCHESL1, MIL-DTL-1222,TYIV,GR500L1, 211069423L1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330689 FIND 20?
DF330689 FIND 20 is cataloged in the U.S. Government catalog under NSN 5307-01-350-8682. 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.