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935A438-1 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

935A438-1: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, base_width: 0.250 INCHES NOMINAL IN, overall_height: 0.300 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), special_features: 2 HOLES, 0.125 IN. DIA X 0.150/.200 IN.

DEEP;66 HOLES, 0.020/.030 IN. DIA X 0.180 IN. MIN.

DEEP IN, style_designator: CLOSED END. This part is cataloged in the U.S. Government catalog under NSN 5340-01-449-0155, 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
935A438-1
NSN: 5340-01-449-0155
FSC: 5340 — Hardware, Commercial
CAGE: 83843 — SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
base_width0.250 INCHES NOMINAL IN
overall_height0.300 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
special_features2 HOLES, 0.125 IN. DIA X 0.150/.200 IN. DEEP;66 HOLES, 0.020/.030 IN. DIA X 0.180 IN. MIN. DEEP IN
style_designatorCLOSED END
base_overall_length3.650 INCHES NOMINAL IN
end_item_identificationPACER DAWN
material_document_and_classificationZZR 765B CLASS-II-50, COLOR BLUE ASSN STD SINGLE MATERIAL RESPONSE BODY
NSN5340-01-449-0155
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 935A438-1 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
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
STYLE DESIGNATOR: CLOSED END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZR 765B CLASS-II-50, COLOR BLUE ASSN STD SINGLE MATERIAL RESPONSE BODY
•
BASE OVERALL LENGTH: 3.650 INCHES NOMINAL IN
•
BASE WIDTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.300 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
STYLE DESIGNATORCLOSED END
MATERIAL DOCUMENT AND CLASSIFICATIONZZR 765B CLASS-II-50, COLOR BLUE ASSN STD SINGLE MATERIAL RESPONSE BODY
BASE OVERALL LENGTH3.650 INCHES NOMINAL IN
BASE WIDTH0.250 INCHES NOMINAL IN
SPECIAL FEATURES2 HOLES, 0.125 IN. DIA X 0.150/.200 IN. DEEP;66 HOLES, 0.020/.030 IN. DIA X 0.180 IN. MIN. DEEP IN
END ITEM IDENTIFICATIONPACER DAWN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 935A438-1?
935A438-1 is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 935A438-1?
935A438-1 is cataloged in the U.S. Government catalog under NSN 5340-01-449-0155. This indicates validated use in U.S. government and defense supply chains.
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