PartsTable
Technical Data Sheet

STANDRDM/F440X26X3AL — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

STANDRDM/F440X26X3AL: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include end_item_identification: 5840-01-578-4122 RADAR SET, part_name_assigned_by_controlling_agency: THREADED STANDOFF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-590-7260, 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
STANDRDM/F440X26X3AL
NSN: 5340-01-590-7260
FSC: 5340 — Hardware, Commercial
CAGE: 1S2Z3 — VETERANS FASTENER SUPPLY CORP. DBA VETERANS FASTENER SUPPLY CORP (USA)
SPECIFICATIONS
end_item_identification5840-01-578-4122 RADAR SET
part_name_assigned_by_controlling_agencyTHREADED STANDOFF
NSN5340-01-590-7260
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STANDRDM/F440X26X3AL 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYTHREADED STANDOFF
END ITEM IDENTIFICATION5840-01-578-4122 RADAR SET
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 STANDRDM/F440X26X3AL?
STANDRDM/F440X26X3AL is a STANDOFF,THREADED,SPACING.
What is the NSN for STANDRDM/F440X26X3AL?
STANDRDM/F440X26X3AL is cataloged in the U.S. Government catalog under NSN 5340-01-590-7260. 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.