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Technical Data Sheet
PartsTable / COMPONENT / 1638662
1638662 ✓ 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 INSERT,SCREW THREAD is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-684-9501, 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
1638662
NSN: 5325-00-684-9501
FSC: 5325
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number1638662
NSN5325-00-684-9501
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1638662 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
20313Interchangeable
interchangeable cross-reference
interchangeable
7313WNInterchangeable
interchangeable cross-reference
interchangeable
319696-554Interchangeable
interchangeable cross-reference
interchangeable
GE8431-3Interchangeable
interchangeable cross-reference
interchangeable
F30A3Interchangeable
interchangeable cross-reference
interchangeable
AGC15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1638662?
1638662 is a INSERT,SCREW THREAD.
What parts can replace 1638662?
There are 34 known substitutes for 1638662: 20313, 7313WN, 319696-554 and 31 more. Substitute compatibility should be verified for your specific system.
Is 1638662 still available?
1638662 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026