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Technical Data Sheet
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221819 — 221819

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

221819: 221819.

The 221819 is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: CULTURE MEDIA SALINE NORMAL TUBE 5 ML. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-151-5086, 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
221819
NSN: 5325-01-151-5086
NIINs: 011515086, 011782268, 016527201, 016901595
FSC: 5325 — Fastening Devices
CAGE: 77873 — ROCKFORD POWERTRAIN INC DIV POWERTRAIN ROCKFORD, INC. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyCULTURE MEDIA SALINE NORMAL TUBE 5 ML
NSN5325-01-151-5086
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 221819 · 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
SUBSTITUTES & CROSS-REFERENCES 2
2AT307Reference document
Same NSN cross-reference
Reference document — Secondary reference
2AT270Reference 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 221819?
221819 is a 221819.
What parts can replace 221819?
There are 2 known substitutes for 221819: 2AT307, 2AT270. Substitute compatibility should be verified for your specific system.
What is the NSN for 221819?
221819 is cataloged in the U.S. Government catalog under NSN 5325-01-151-5086. 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.