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TR13520 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

TR13520: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.250 INCHES NOMINAL IN, insert_size: 0.375 IN. OD IN, style_designator: KEYLOCK, full_internal_thread_length: 0.160 INCHES NOMINAL IN, internal_thread_relief_depth: 0.080 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5325-01-414-0707, 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
TR13520
NSN: 5325-01-414-0707
FSC: 5325 — Fastening Devices
CAGE: 29372 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL IN
insert_size0.375 IN. OD IN
style_designatorKEYLOCK
full_internal_thread_length0.160 INCHES NOMINAL IN
internal_thread_relief_depth0.080 INCHES NOMINAL IN
NSN5325-01-414-0707
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TR13520 · 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: 0.250 INCHES NOMINAL IN
•
INSERT SIZE: 0.375 IN. OD IN
•
STYLE DESIGNATOR: KEYLOCK
•
INTERNAL THREAD RELIEF DEPTH: 0.080 INCHES NOMINAL IN
•
FULL INTERNAL THREAD LENGTH: 0.160 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LENGTH0.250 INCHES NOMINAL IN
INSERT SIZE0.375 IN. OD IN
STYLE DESIGNATORKEYLOCK
INTERNAL THREAD RELIEF DEPTH0.080 INCHES NOMINAL IN
FULL INTERNAL THREAD LENGTH0.160 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 1
497870-25Reference 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 TR13520?
TR13520 is a INSERT,SCREW THREAD.
What parts can replace TR13520?
There is 1 known substitute for TR13520: 497870-25. Substitute compatibility should be verified for your specific system.
What is the NSN for TR13520?
TR13520 is cataloged in the U.S. Government catalog under NSN 5325-01-414-0707. 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.