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1853273-2 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1853273-2: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 2.438 INCHES NOMINAL IN, special_features: COUNTERSINK BOTH ENDS 90 DEG BY 0.156 IN. DIA IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN, cross-sectional_shape: SQUARE, distance_between_hole_centers: 0.575 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-094-0138, 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
1853273-2
NSN: 5340-01-094-0138
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
length2.438 INCHES NOMINAL IN
special_featuresCOUNTERSINK BOTH ENDS 90 DEG BY 0.156 IN. DIA IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
cross-sectional_shapeSQUARE
distance_between_hole_centers0.575 INCHES NOMINAL IN
distance_from_end_to_hole_center1.000 INCHES NOMINAL IN
hole_quantity_perpendicular_to_axis2
NSN5340-01-094-0138
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1853273-2 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: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
•
LENGTH: 2.438 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERS: 0.575 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
CROSS-SECTIONAL SHAPE: SQUARE
•
DISTANCE FROM END TO HOLE CENTER: 1.000 INCHES NOMINAL IN
•
HOLE QUANTITY PERPENDICULAR TO AXIS: 2
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
LENGTH2.438 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERS0.575 INCHES NOMINAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
CROSS-SECTIONAL SHAPESQUARE
SPECIAL FEATURESCOUNTERSINK BOTH ENDS 90 DEG BY 0.156 IN. DIA IN
DISTANCE FROM END TO HOLE CENTER1.000 INCHES NOMINAL IN
HOLE QUANTITY PERPENDICULAR TO AXIS2
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 1853273-2?
1853273-2 is a STANDOFF,THREADED,SPACING.
What is the NSN for 1853273-2?
1853273-2 is cataloged in the U.S. Government catalog under NSN 5340-01-094-0138. 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.