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TH43720-50 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TH43720-50: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.781 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 0.562-18 UNF 3A A, thread_class: 3B, style_designator: PLAIN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-985-3160, 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
TH43720-50
NSN: 5325-00-985-3160
FSC: 5325 — Fastening Devices
CAGE: 73957 — GROOV-PIN CORP (USA)
SPECIFICATIONS
length0.781 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size0.562-18 UNF 3A A
thread_class3B
style_designatorPLAIN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.437 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5325-00-985-3160
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TH43720-50 · 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
•
LENGTH: 0.781 INCHES NOMINAL IN
•
INSERT SIZE: 0.562-18 UNF 3A A
•
STYLE DESIGNATOR: PLAIN
•
NOMINAL THREAD SIZE: 0.437 INCHES IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.781 INCHES NOMINAL IN
INSERT SIZE0.562-18 UNF 3A A
STYLE DESIGNATORPLAIN
NOMINAL THREAD SIZE0.437 INCHES IN
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3B
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 2
9995287Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SC5310-0021-74Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 TH43720-50?
TH43720-50 is a INSERT,SCREW THREAD.
What parts can replace TH43720-50?
There are 2 known substitutes for TH43720-50: 9995287, SC5310-0021-74. Substitute compatibility should be verified for your specific system.
What is the NSN for TH43720-50?
TH43720-50 is cataloged in the U.S. Government catalog under NSN 5325-00-985-3160. 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.