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4501-256-SS-20 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4501-256-SS-20: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.25 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_direction: RIGHT-HAND RIGHT EXTERNAL, surface_treatment: PASSIVATE OVERALL, width_across_flats: 0.25 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-708-1541, 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
4501-256-SS-20
NSN: 5340-01-708-1541
FSC: 5340 — Hardware, Commercial
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
length0.25 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_directionRIGHT-HAND RIGHT EXTERNAL
surface_treatmentPASSIVATE OVERALL
width_across_flats0.25 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
right_projection_length0.1563 INCHES NOMINAL IN
NSN5340-01-708-1541
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4501-256-SS-20 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: 0.25 INCHES NOMINAL IN
•
LENGTH: 0.25 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
RIGHT PROJECTION LENGTH: 0.1563 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.25 INCHES NOMINAL IN
LENGTH0.25 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
RIGHT PROJECTION LENGTH0.1563 INCHES NOMINAL IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4501-256-SS-20?
4501-256-SS-20 is a STANDOFF,THREADED,SPACING.
What is the NSN for 4501-256-SS-20?
4501-256-SS-20 is cataloged in the U.S. Government catalog under NSN 5340-01-708-1541. This indicates validated use in U.S. government and defense supply chains.
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