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Technical Data Sheet
NAS1830 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, diameter: 0.250 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), hole_diameter: 0.148 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN, thread_length: 0.188 INCHES NOMINAL LEFT EXTERNAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-062-5303, 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
NAS1830
NSN: 5340-00-062-5303
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
length0.183 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
diameter0.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
hole_diameter0.148 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN
thread_length0.188 INCHES NOMINAL LEFT EXTERNAL IN
special_featuresCOLOR GOLD
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
thread_directionRIGHT-HAND LEFT EXTERNAL
surface_treatmentPASSIVATE OVERALL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
NSN5340-00-062-5303
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1830 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
SPECIFICATION/STANDARD DATA: 80205-NAS1830 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATOR: PROJECTION ONE END
RIGHT COUNTERBORE DEPTH: 0.075 INCHES NOMINAL IN
DIAMETER: 0.250 INCHES NOMINAL IN
LENGTH: 0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80205-NAS1830 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORPROJECTION ONE END
RIGHT COUNTERBORE DEPTH0.075 INCHES NOMINAL IN
DIAMETER0.250 INCHES NOMINAL IN
LENGTH0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
9531ASS0440-7Interchangeable
Same NIIN cross-reference
interchangeable
9537ASS0440-7Interchangeable
Same NIIN cross-reference
interchangeable
H70173-015Interchangeable
Same NIIN cross-reference
interchangeable
SS240-7B-9Interchangeable
Same NIIN cross-reference
interchangeable
073-007961-002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1830?
NAS1830 is a STANDOFF,THREADED,SPACING.
What parts can replace NAS1830?
There are 5 known substitutes for NAS1830: 9531ASS0440-7, 9537ASS0440-7, H70173-015 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1830?
NAS1830 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-062-5303. This indicates validated use in U.S. government and defense supply chains.
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