PartsTable
Technical Data Sheet
Download PDF

015521 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

015521: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include end_item_identification: 2355-20-001-9922. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-083-5551, 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
015521
NSN: 5325-01-083-5551
NIINs: 010835551, 015481186
FSC: 5325 — Fastening Devices
CAGE: K6111 — QIOPTIQ LTD (GBR)
SPECIFICATIONS
end_item_identification2355-20-001-9922
NSN5325-01-083-5551
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 015521 · 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: 0.615 INCHES NOMINAL IN
•
FIN WIDTH: 0.125 INCHES NOMINAL IN
•
FIN DIAMETER: 0.730 INCHES NOMINAL IN
•
INSERT SIZE: 0.345
•
STYLE DESIGNATOR: SLOTTED
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
SLOT DEPTH: 0.420 INCHES NOMINAL IN
•
SURFACE TREATMENT: OXIDE OVERALL
TECHNICAL CHARACTERISTICS
LENGTH0.615 INCHES NOMINAL IN
FIN WIDTH0.125 INCHES NOMINAL IN
FIN DIAMETER0.730 INCHES NOMINAL IN
INSERT SIZE0.345
STYLE DESIGNATORSLOTTED
NOMINAL THREAD SIZE0.250 INCHES IN
SLOT DEPTH0.420 INCHES NOMINAL IN
SURFACE TREATMENTOXIDE OVERALL
DISTANCE FROM FIN TO INSERT HEAD0.195 INCHES NOMINAL IN
SLOT WIDTH0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 015521?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 015521?
015521 is a INSERT,SCREW THREAD.
What is the NSN for 015521?
015521 is cataloged in the U.S. Government catalog under NSN 5325-01-083-5551. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 015521

✓ 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.