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A1-05-0412 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A1-05-0412: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.452 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN, diameter: 0.172 INCHES NOMINAL IN, flange_diameter: 0.320 INCHES NOMINAL IN, flange_thickness: 0.078 INCHES NOMINAL IN, style_designator: FLANGED RIGHT EXTERNAL THREADS, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-189-4311, 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
A1-05-0412
NSN: 5340-01-189-4311
FSC: 5340 — Hardware, Commercial
CAGE: 18560 — ACR ELECTRONICS, INC. DBA ACR ELECTRONICS INC (USA)
SPECIFICATIONS
length0.452 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
diameter0.172 INCHES NOMINAL IN
flange_diameter0.320 INCHES NOMINAL IN
flange_thickness0.078 INCHES NOMINAL IN
style_designatorFLANGED RIGHT EXTERNAL THREADS
cross-sectional_shapeROUND
NSN5340-01-189-4311
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1-05-0412 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
•
FLANGE DIAMETER: 0.320 INCHES NOMINAL IN
•
LENGTH: 0.452 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.078 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED RIGHT EXTERNAL THREADS
•
DIAMETER: 0.172 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.320 INCHES NOMINAL IN
LENGTH0.452 INCHES MINIMUM AND 0.454 INCHES MAXIMUM IN
FLANGE THICKNESS0.078 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED RIGHT EXTERNAL THREADS
DIAMETER0.172 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPEROUND
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 A1-05-0412?
A1-05-0412 is a STANDOFF,THREADED,SPACING.
What is the NSN for A1-05-0412?
A1-05-0412 is cataloged in the U.S. Government catalog under NSN 5340-01-189-4311. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.