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Technical Data Sheet
NAS1831A6D12 ✓ 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: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON, specification/standard_data: 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-408-5955, 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
NAS1831A6D12
NSN: 5340-00-408-5955
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
specification/standard_data80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5340-00-408-5955
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1831A6D12 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-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
WIDTH ACROSS FLATS: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
WIDTH ACROSS FLATS0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
532353-628Upgraded Successor
successor cross-reference
successor
SS6951-0632-2.500-01Upgraded Successor
successor cross-reference
successor
0N664167Upgraded Successor
successor cross-reference
successor
210-1004P14Interchangeable
Same NIIN cross-reference
interchangeable
8576A0832-1BInterchangeable
Same NIIN cross-reference
interchangeable
8576-A-0832-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1831A6D12?
NAS1831A6D12 is a STANDOFF,THREADED,SPACING.
What parts can replace NAS1831A6D12?
There are 8 known substitutes for NAS1831A6D12: 532353-628, SS6951-0632-2.500-01, 0N664167 and 5 more. Substitute compatibility should be verified for your specific system.
Is NAS1831A6D12 still available?
NAS1831A6D12 is currently cancelled.
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