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Technical Data Sheet
PartsTable / COMPONENT / 1450D
1450D ✓ 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: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON, specification/standard_data: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-243-4496, 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
1450D
NSN: 5340-01-243-4496
FSC: 5340
CAGE: 91833 — KEYSTONE ELECTRONICS CORP (USA)
SPECIFICATIONS
length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
specification/standard_data80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5340-01-243-4496
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1450D 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
•
LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
SPECIFICATION/STANDARD DATA: 80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
WIDTH ACROSS FLATS: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
SPECIFICATION/STANDARD DATA80250-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
308528Upgraded Successor
successor cross-reference
successor
237-3Upgraded Successor
successor cross-reference
successor
532353-628Upgraded Successor
successor cross-reference
successor
SS6951-0632-2.500-01Upgraded Successor
successor cross-reference
successor
0N664167Upgraded Successor
successor cross-reference
successor
2373-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1450D?
1450D is a STANDOFF,THREADED,SPACING.
What parts can replace 1450D?
There are 13 known substitutes for 1450D: 308528, 237-3, 532353-628 and 10 more. Substitute compatibility should be verified for your specific system.
Is 1450D still available?
1450D is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026