PartsTable
Technical Data Sheet
NAS1831A4B12 ✓ 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 part_name_assigned_by_controlling_agency: STANDOFF,THREADED,SPACING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-223-1772, 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
NAS1831A4B12
NSN: 5340-01-223-1772
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySTANDOFF,THREADED,SPACING
NSN5340-01-223-1772
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1831A4B12 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSTANDOFF,THREADED,SPACING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
8405Upgraded Successor
successor cross-reference
successor
8218-A-0440Upgraded 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
8218-A-0440-16Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1831A4B12?
NAS1831A4B12 is a STANDOFF,THREADED,SPACING.
What parts can replace NAS1831A4B12?
There are 13 known substitutes for NAS1831A4B12: 8405, 8218-A-0440, 532353-628 and 10 more. Substitute compatibility should be verified for your specific system.
Is NAS1831A4B12 still available?
NAS1831A4B12 is currently cancelled.
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