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T151-4-20 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

T151-4-20: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R54520 OVERALL, surface_finish: 32.0 MICROINCHES GRIP, special_features: DRY FILM LUBRICANT SURFACE TREATMENT, thread_series_designator: UNIFIED NATIONAL JOINT FINE (UNJF), specification/standard_data: 26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD, part_name_assigned_by_controlling_agency: NAVY SPECIAL PROJECT. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-043-5735, 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
T151-4-20
NSN: 5305-01-043-5735
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialTITANIUM ALLOY UNS R54520 OVERALL
surface_finish32.0 MICROINCHES GRIP
special_featuresDRY FILM LUBRICANT SURFACE TREATMENT
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
specification/standard_data26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-043-5735
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: T151-4-20 · 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
•
SURFACE FINISH: 32.0 MICROINCHES GRIP
•
SPECIFICATION/STANDARD DATA: 26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: TITANIUM ALLOY UNS R54520 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES GRIP
SPECIFICATION/STANDARD DATA26512-GB511J PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESDRY FILM LUBRICANT SURFACE TREATMENT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
MATERIALTITANIUM ALLOY UNS R54520 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 4
HT193LB4-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
67077-4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
GB511J4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
BM21009-4-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 T151-4-20?
T151-4-20 is a SCREW,CLOSE TOLERANCE.
What parts can replace T151-4-20?
There are 4 known substitutes for T151-4-20: HT193LB4-20, 67077-4-20, GB511J4-20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T151-4-20?
T151-4-20 is cataloged in the U.S. Government catalog under NSN 5305-01-043-5735. This indicates validated use in U.S. government and defense supply chains.
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