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8082A21 — CLOSER,DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8082A21: CLOSER,DOOR.

The CLOSER,DOOR is a the manufacturer industrial component. Key specifications include depth: 2.156 INCHES NOMINAL IN, material: IRON FLOOR PLATE, unit_type: SINGLE ACTION, control_type: LIQUID AND SPRING, surface_treatment: ALUMINUM OVERALL, operational_direction: LEFT-HAND OR RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-334-0795, 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
8082A21
NSN: 5340-01-334-0795
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
depth2.156 INCHES NOMINAL IN
materialIRON FLOOR PLATE
unit_typeSINGLE ACTION
control_typeLIQUID AND SPRING
surface_treatmentALUMINUM OVERALL
operational_directionLEFT-HAND OR RIGHT-HAND
mounting_type_for_which_designedDOOR/FRAME MORTISE
NSN5340-01-334-0795
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8082A21 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
•
OPERATIONAL DIRECTION: LEFT-HAND OR RIGHT-HAND
•
CONTROL TYPE: LIQUID AND SPRING
•
UNIT TYPE: SINGLE ACTION
•
SURFACE TREATMENT: ALUMINUM OVERALL
•
MOUNTING TYPE FOR WHICH DESIGNED: DOOR/FRAME MORTISE
•
DEPTH: 2.156 INCHES NOMINAL IN
•
MATERIAL: IRON CASE
TECHNICAL CHARACTERISTICS
OPERATIONAL DIRECTIONLEFT-HAND OR RIGHT-HAND
CONTROL TYPELIQUID AND SPRING
UNIT TYPESINGLE ACTION
SURFACE TREATMENTALUMINUM OVERALL
MOUNTING TYPE FOR WHICH DESIGNEDDOOR/FRAME MORTISE
DEPTH2.156 INCHES NOMINAL IN
MATERIALIRON CASE
MATERIALIRON FLOOR PLATE
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 1
1164A88Reference 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 8082A21?
8082A21 is a CLOSER,DOOR.
What parts can replace 8082A21?
There is 1 known substitute for 8082A21: 1164A88. Substitute compatibility should be verified for your specific system.
What is the NSN for 8082A21?
8082A21 is cataloged in the U.S. Government catalog under NSN 5340-01-334-0795. 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.