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1810911 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1810911: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: PLASTIC POLYAMIDE NYLON, end_item_identification: RT-1860/BPS-16 (V),RECIEVER-TRANSMITTER,RADAR, material_document_and_classification: ASTM D 5213 ASSN STD SINGLE MATERIAL RESPONSE, part_name_assigned_by_controlling_agency: DUST SEALING DIAPHRAGM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-540-8644, 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
1810911
NSN: 5340-01-540-8644
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
special_featuresOVERALL LENGTH AND WIDTH ARE 1.860 IN (MIN) AND 1.880 IN (MAX); BOLT DIA (4 HOLES) IS 0.170 IN; THICKNESS OF MATERIAL IS 0.005 IN IN
end_item_identificationRT-1860/BPS-16 (V),RECIEVER-TRANSMITTER,RADAR
material_document_and_classificationASTM D 5213 ASSN STD SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyDUST SEALING DIAPHRAGM
NSN5340-01-540-8644
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1810911 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 DOCUMENT AND CLASSIFICATION: ASTM D 5213 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D 5213 ASSN STD SINGLE MATERIAL RESPONSE
SPECIAL FEATURESOVERALL LENGTH AND WIDTH ARE 1.860 IN (MIN) AND 1.880 IN (MAX); BOLT DIA (4 HOLES) IS 0.170 IN; THICKNESS OF MATERIAL IS 0.005 IN IN
PART NAME ASSIGNED BY CONTROLLING AGENCYDUST SEALING DIAPHRAGM
END ITEM IDENTIFICATIONRT-1860/BPS-16 (V),RECIEVER-TRANSMITTER,RADAR
MATERIALPLASTIC POLYAMIDE NYLON
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
30-15212Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 1810911?
1810911 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace 1810911?
There is 1 known substitute for 1810911: 30-15212. Substitute compatibility should be verified for your specific system.
What is the NSN for 1810911?
1810911 is cataloged in the U.S. Government catalog under NSN 5340-01-540-8644. This indicates validated use in U.S. government and defense supply chains.
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