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ST-STB-02-Z — SCREW ASSEMBLY,PANEL

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST-STB-02-Z: SCREW ASSEMBLY,PANEL.

The SCREW ASSEMBLY,PANEL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT FILLISTER, thread_class: 2A A, fastener_length: 1.063 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.250 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-471-7512, 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
ST-STB-02-Z
NSN: 5305-01-471-7512
FSC: 5305 — Screws
CAGE: 81779 — BEHRINGER METAL WORKS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT FILLISTER
thread_class2A A
fastener_length1.063 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.250 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-01-471-7512
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST-STB-02-Z · 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
•
FASTENER LENGTH: 1.063 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.063 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS2A A
THREAD QUANTITY PER INCH20
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SUBSTITUTES & CROSS-REFERENCES 2
12413103Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
HR2L P/SBReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST-STB-02-Z?
ST-STB-02-Z is a SCREW ASSEMBLY,PANEL.
What parts can replace ST-STB-02-Z?
There are 2 known substitutes for ST-STB-02-Z: 12413103, HR2L P/SB. Substitute compatibility should be verified for your specific system.
What is the NSN for ST-STB-02-Z?
ST-STB-02-Z is cataloged in the U.S. Government catalog under NSN 5305-01-471-7512. 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.