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5959303-16L1 — STUD,CONTINUOUS THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5959303-16L1: 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: 5.812 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED, nominal_thread_size: 1.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN, end_item_identification: VALVE B COMBN. This part is cataloged in the U.S.

Government catalog under NSN 5307-01-329-8271, 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
5959303-16L1
NSN: 5307-01-329-8271
FSC: 5307 — Studs
CAGE: 03950 — NAVAL INVENTORY CONTROL POINT MECHANICSBURG (USA)
SPECIFICATIONS
materialNICKEL ALLOY
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_length5.812 INCHES NOMINAL IN
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
nominal_thread_size1.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
end_item_identificationVALVE B COMBN
thread_quantity_per_inch7 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN5307-01-329-8271
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5959303-16L1 · 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: ZZZY
•
THREAD DIRECTION: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
•
NOMINAL THREAD SIZE: 1.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
•
THREAD CLASS: 3A LOCATION NOT OTHERWISE SPECIFIED A
•
THREAD QUANTITY PER INCH: 7 LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
OVERALL LENGTH5.812 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
NOMINAL THREAD SIZE1.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
THREAD CLASS3A LOCATION NOT OTHERWISE SPECIFIED A
END ITEM IDENTIFICATIONVALVE B COMBN
THREAD QUANTITY PER INCH7 LOCATION NOT OTHERWISE SPECIFIED
MATERIALNICKEL ALLOY
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
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 5
803-5959303-X-16L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
524-6603688-VHBA-20Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
5959303-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
524-6603688-VHBA-20L1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
803-5959303-X-16Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5959303-16L1?
5959303-16L1 is a STUD,CONTINUOUS THREAD.
What parts can replace 5959303-16L1?
There are 5 known substitutes for 5959303-16L1: 803-5959303-X-16L1, 524-6603688-VHBA-20, 5959303-16 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5959303-16L1?
5959303-16L1 is cataloged in the U.S. Government catalog under NSN 5307-01-329-8271. 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.