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12277740-2 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12277740-2: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, overall_height: 1.750 INCHES NOMINAL IN, mounting_method: BUSHING, style_designator: THRU-HOLE, features_provided: SPRING LOADED, body_outside_diameter: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-072-1779, 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
12277740-2
NSN: 5340-01-072-1779
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
overall_height1.750 INCHES NOMINAL IN
mounting_methodBUSHING
style_designatorTHRU-HOLE
features_providedSPRING LOADED
body_outside_diameter2.000 INCHES NOMINAL IN
end_item_identificationM901
opening_inside_diameter0.140 INCHES NOMINAL IN
mounting_device_quantity1
material_document_and_classificationZZ-R-765 CL 36 GR 50 CR BLACK FED SPEC SINGLE MATERIAL RESPONSE BODY
NSN5340-01-072-1779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12277740-2 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
•
OPENING INSIDE DIAMETER: 0.140 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
MOUNTING METHOD: BUSHING
•
STYLE DESIGNATOR: THRU-HOLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 CL 36 GR 50 CR BLACK FED SPEC SINGLE MATERIAL RESPONSE BODY
•
FEATURES PROVIDED: SPRING LOADED
•
MOUNTING DEVICE QUANTITY: 1
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.750 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.140 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
MOUNTING METHODBUSHING
STYLE DESIGNATORTHRU-HOLE
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 CL 36 GR 50 CR BLACK FED SPEC SINGLE MATERIAL RESPONSE BODY
FEATURES PROVIDEDSPRING LOADED
MOUNTING DEVICE QUANTITY1
END ITEM IDENTIFICATIONM901
MATERIALRUBBER SILICONE BODY
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12277740-2?
12277740-2 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 12277740-2?
12277740-2 is cataloged in the U.S. Government catalog under NSN 5340-01-072-1779. This indicates validated use in U.S. government and defense supply chains.
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