PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 990025-3
990025-3 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The HARNESS SET,AIRCRAFT SAFETY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 2.570 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 2.570 INCHES NOMINAL IN, overall_length: 6.660 INCHES NOMINAL IN, style_designator: ROUND, CLOSED W/SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-484-0540, 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
990025-3
NSN: 5306-01-484-0540
FSC: 5306
CAGE: 75535 — THE CROSBY GROUP LLC DBA THE CROSBY GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length2.570 INCHES NOMINAL IN
thread_class2A A
thread_length2.570 INCHES NOMINAL IN
overall_length6.660 INCHES NOMINAL IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
eye_outside_width3.760 INCHES NOMINAL IN
shoulder_diameter1.180 INCHES NOMINAL IN
eye_stock_diameter0.880 INCHES NOMINAL IN
shoulder_thickness1.810 INCHES NOMINAL IN
eye_inside_diameter2.000 INCHES NOMINAL IN
NSN5306-01-484-0540
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 990025-3 · 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
•
THREAD CLASS: 2A A
•
THREAD QUANTITY PER INCH: 8
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD DIAMETER: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
THREAD QUANTITY PER INCH8
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD DIAMETER1.000 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
S-279Upgraded Successor
successor cross-reference
successor
9900235Upgraded Successor
successor cross-reference
successor
179859Interchangeable
interchangeable cross-reference
interchangeable
PL 14811020 ITEM 150Interchangeable
interchangeable cross-reference
interchangeable
990025-3Interchangeable
interchangeable cross-reference
interchangeable
608-7120913 ITEM 19Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 990025-3?
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 990025-3?
990025-3 is a HARNESS SET,AIRCRAFT SAFETY.
What parts can replace 990025-3?
There are 7 known substitutes for 990025-3: S-279, 9900235, 179859 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 990025-3?
990025-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-484-0540. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 990025-3

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026