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1220-R-A-1.750-15 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1220-R-A-1.750-15: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN, diameter: 0.312 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-237-3203, 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
1220-R-A-1.750-15
NSN: 5340-01-237-3203
FSC: 5340 — Hardware, Commercial
CAGE: 51506 — ACCURATE SCREW MACHINE CORP DIV ACCURATE SCREW MACHINE CORPORATION (USA)
SPECIFICATIONS
length1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
diameter0.312 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
cross-sectional_shapeROUND
NSN5340-01-237-3203
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1220-R-A-1.750-15 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
•
LENGTH: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
DIAMETER: 0.312 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LENGTH1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
DIAMETER0.312 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 2
8351-A-0440-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
GS500AY04A5D28Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 1220-R-A-1.750-15?
1220-R-A-1.750-15 is a STANDOFF,THREADED,SPACING.
What parts can replace 1220-R-A-1.750-15?
There are 2 known substitutes for 1220-R-A-1.750-15: 8351-A-0440-10, GS500AY04A5D28. Substitute compatibility should be verified for your specific system.
What is the NSN for 1220-R-A-1.750-15?
1220-R-A-1.750-15 is cataloged in the U.S. Government catalog under NSN 5340-01-237-3203. This indicates validated use in U.S. government and defense supply chains.
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