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NAS1831H5D20 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

NAS1831H5D20: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON, specification/standard_data: 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-284-9863, 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
NAS1831H5D20
NSN: 5340-01-284-9863
FSC: 5340 — Hardware, Commercial
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
length1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
specification/standard_data80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN5340-01-284-9863
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS1831H5D20 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: 0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
•
LENGTH: 1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
SPECIFICATION/STANDARD DATA: 80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.309 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
LENGTH1.245 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
SPECIFICATION/STANDARD DATA80205-NAS1831 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CROSS-SECTIONAL SHAPEHEXAGON
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NAS1831H5D20?
NAS1831H5D20 is a STANDOFF,THREADED,SPACING.
What is the NSN for NAS1831H5D20?
NAS1831H5D20 is cataloged in the U.S. Government catalog under NSN 5340-01-284-9863. This indicates validated use in U.S. government and defense supply chains.
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