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1446A1 — CLOSER,DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1446A1: CLOSER,DOOR.

The CLOSER,DOOR is a the manufacturer industrial component. Key specifications include control_type: AIR, special_features: TUBE DIA:1.562 IN.DIA IN, operational_direction: LEFT-HAND OR RIGHT-HAND, mounting_type_for_which_designed: DOOR/FRAME MORTISE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-249-0631, 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
1446A1
NSN: 5340-01-249-0631
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
control_typeAIR
special_featuresTUBE DIA:1.562 IN.DIA IN
operational_directionLEFT-HAND OR RIGHT-HAND
mounting_type_for_which_designedDOOR/FRAME MORTISE
NSN5340-01-249-0631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1446A1 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: AIR
•
MOUNTING TYPE FOR WHICH DESIGNED: DOOR/FRAME MORTISE
TECHNICAL CHARACTERISTICS
OPERATIONAL DIRECTIONLEFT-HAND OR RIGHT-HAND
CONTROL TYPEAIR
SPECIAL FEATURESTUBE DIA:1.562 IN.DIA IN
MOUNTING TYPE FOR WHICH DESIGNEDDOOR/FRAME MORTISE
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1446A1?
1446A1 is a CLOSER,DOOR.
What is the NSN for 1446A1?
1446A1 is cataloged in the U.S. Government catalog under NSN 5340-01-249-0631. 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.