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Technical Data Sheet
NAS1829B ✓ 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: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, width_across_flats: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON, specification/standard_data: 80205-NAS1829 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-223-7953, 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
NAS1829B
NSN: 5340-01-223-7953
FSC: 5340
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
width_across_flats0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
specification/standard_data80205-NAS1829 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5340-01-223-7953
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1829B 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
WIDTH ACROSS FLATS: 0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE: HEXAGON
SPECIFICATION/STANDARD DATA: 80205-NAS1829 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGON
SPECIFICATION/STANDARD DATA80205-NAS1829 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
82-16Upgraded Successor
successor cross-reference
successor
102-72842-1-1Upgraded Successor
successor cross-reference
successor
5767Interchangeable
interchangeable cross-reference
interchangeable
8216-366YInterchangeable
interchangeable cross-reference
interchangeable
1441Interchangeable
interchangeable cross-reference
interchangeable
166TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1829B?
NAS1829B is a STANDOFF,THREADED,SPACING.
What parts can replace NAS1829B?
There are 17 known substitutes for NAS1829B: 82-16, 102-72842-1-1, 5767 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1829B?
NAS1829B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-223-7953. This indicates validated use in U.S. government and defense supply chains.
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