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3M-900083 — MASTER AUTOLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3M-900083: MASTER AUTOLOCK.

The MASTER AUTOLOCK is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: MATERIAL IS LOW ALLOY STEEL PER AISI B620, end_item_identification: MANUAL WORM GEAR OPERATOR QUARTER TURN, part_name_assigned_by_controlling_agency: AUTOLOCK MASTER. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-640-8361, 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
3M-900083
NSN: 5340-01-640-8361
FSC: 5340 — Hardware, Commercial
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
materialSTEEL
special_featuresMATERIAL IS LOW ALLOY STEEL PER AISI B620
end_item_identificationMANUAL WORM GEAR OPERATOR QUARTER TURN
part_name_assigned_by_controlling_agencyAUTOLOCK MASTER
NSN5340-01-640-8361
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3M-900083 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL IS LOW ALLOY STEEL PER AISI B620
PART NAME ASSIGNED BY CONTROLLING AGENCYAUTOLOCK MASTER
END ITEM IDENTIFICATIONMANUAL WORM GEAR OPERATOR QUARTER TURN
MATERIALSTEEL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
845-7526489Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
845-7526489-2A-05-A-3-N-D-014Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3M-900083?
3M-900083 is a MASTER AUTOLOCK.
What parts can replace 3M-900083?
There are 2 known substitutes for 3M-900083: 845-7526489, 845-7526489-2A-05-A-3-N-D-014. Substitute compatibility should be verified for your specific system.
What is the NSN for 3M-900083?
3M-900083 is cataloged in the U.S. Government catalog under NSN 5340-01-640-8361. 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.