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1819805 — NUT,PLAIN,ROUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1819805: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: ROUND, nut_diameter: 2.250 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-580-1591, 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
1819805
NSN: 5330-00-580-1591
NIINs: 005801591, 015032823
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleROUND
nut_diameter2.250 INCHES NOMINAL IN
thread_class3B
nut_thickness0.375 INCHES NOMINAL IN
thread_seriesUNF
special_featuresNUT HAS ONE SLOT 1.875 +.0010, SURFACE FINISH IS 125.0, MATERIAL IS COPPER ALLOY PER ASTM-B140, ALLOY B
thread_directionRIGHT-HAND
drive_point_depth0.120 INCHES NOMINAL IN
drive_point_width0.125 INCHES NOMINAL IN
nominal_thread_size1.468 INCHES IN
drive_point_quantity4
NSN5330-00-580-1591
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1819805 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
•
SEAL WIDTH: 0.188 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 2.937 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 1000 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 2.438 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.188 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE CASE
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER2.937 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED1000 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER2.438 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE CASE
MATERIALSTEEL CASE
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 1
714-900-011Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1819805?
1819805 is a NUT,PLAIN,ROUND.
What parts can replace 1819805?
There is 1 known substitute for 1819805: 714-900-011. Substitute compatibility should be verified for your specific system.
What is the NSN for 1819805?
1819805 is cataloged in the U.S. Government catalog under NSN 5330-00-580-1591. This indicates validated use in U.S. government and defense supply chains.
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