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863-000597 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

863-000597: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.875 INCHES NOMINAL IN, material: ALUMINUM OVERALL, thread_length: 0.250 INCHES NOMINAL RIGHT EXTERNAL IN, style_designator: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND RIGHT EXTERNAL, width_across_flats: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-481-3193, 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
863-000597
NSN: 5340-01-481-3193
FSC: 5340 — Hardware, Commercial
CAGE: 4X630 — GUILD ASSOCIATES INC (USA)
SPECIFICATIONS
length0.875 INCHES NOMINAL IN
materialALUMINUM OVERALL
thread_length0.250 INCHES NOMINAL RIGHT EXTERNAL IN
style_designatorPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES RIGHT INTERNAL IN
cross-sectional_shapeHEXAGON
right_projection_length0.250 INCHES NOMINAL IN
thread_quantity_per_inch32 RIGHT INTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
right_projection_diameter0.138 INCHES NOMINAL IN
NSN5340-01-481-3193
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 863-000597 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: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.250 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END W/ RIGHT EXTERNAL THREAD
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.138 INCHES RIGHT EXTERNAL IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.875 INCHES NOMINAL IN
THREAD LENGTH0.250 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORPROJECTION ONE END W/ RIGHT EXTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
NOMINAL THREAD SIZE0.138 INCHES RIGHT EXTERNAL IN
NOMINAL THREAD SIZE0.138 INCHES RIGHT INTERNAL IN
CROSS-SECTIONAL SHAPEHEXAGON
THREAD QUANTITY PER INCH32 RIGHT INTERNAL
THREAD QUANTITY PER INCH32 RIGHT EXTERNAL
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 1
93505A830Reference 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
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FREQUENTLY ASKED QUESTIONS
What is 863-000597?
863-000597 is a STANDOFF,THREADED,SPACING.
What parts can replace 863-000597?
There is 1 known substitute for 863-000597: 93505A830. Substitute compatibility should be verified for your specific system.
What is the NSN for 863-000597?
863-000597 is cataloged in the U.S. Government catalog under NSN 5340-01-481-3193. 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.