PartsTable
Technical Data Sheet
Download PDF

8211-A-0440-1B — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8211-A-0440-1B: STANDOFF,THREADED,SPACING.

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 INTERNAL THREADS, width_across_flats: 0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-034-3451, 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
8211-A-0440-1B
NSN: 5340-01-034-3451
FSC: 5340 — Hardware, Commercial
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
length0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
cross-sectional_shapeHEXAGON
NSN5340-01-034-3451
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8211-A-0440-1B 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: 0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
•
LENGTH: 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
LENGTH0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
CROSS-SECTIONAL SHAPEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 2
703896Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NAS1831Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 8211-A-0440-1B?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 8211-A-0440-1B?
8211-A-0440-1B is a STANDOFF,THREADED,SPACING.
What parts can replace 8211-A-0440-1B?
There are 2 known substitutes for 8211-A-0440-1B: 703896, NAS1831. Substitute compatibility should be verified for your specific system.
What is the NSN for 8211-A-0440-1B?
8211-A-0440-1B is cataloged in the U.S. Government catalog under NSN 5340-01-034-3451. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 8211-A-0440-1B

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.