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91115A290 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

91115A290: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.750 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_class: 2B RIGHT INTERNAL, style_designator: INTERNALLY THREADED FULL LENGTH, thread_direction: RIGHT-HAND RIGHT INTERNAL, width_across_flats: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-589-4779, 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
91115A290
NSN: 5340-01-589-4779
FSC: 5340 — Hardware, Commercial
CAGE: 2V507 — MCMASTER-CARR SUPPLY COMPANY (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_class2B RIGHT INTERNAL
style_designatorINTERNALLY THREADED FULL LENGTH
thread_directionRIGHT-HAND RIGHT INTERNAL
width_across_flats0.375 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
end_item_identification5895-01-561-3705 SATELLITE COMMUNICATION SUBSYSTEM,JNN TRAILER
thread_quantity_per_inch32 RIGHT INTERNAL
part_name_assigned_by_controlling_agencySPACERS AND STANDOFFS,FEMALE THREADED HEX
NSN5340-01-589-4779
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91115A290 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: 0.375 INCHES NOMINAL IN
•
LENGTH: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
THREAD CLASS: 2B RIGHT INTERNAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
CROSS-SECTIONAL SHAPEHEXAGON
PART NAME ASSIGNED BY CONTROLLING AGENCYSPACERS AND STANDOFFS,FEMALE THREADED HEX
THREAD CLASS2B RIGHT INTERNAL
END ITEM IDENTIFICATION5895-01-561-3705 SATELLITE COMMUNICATION SUBSYSTEM,JNN TRAILER
THREAD QUANTITY PER INCH32 RIGHT INTERNAL
MATERIALSTEEL CORROSION RESISTING OVERALL
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 91115A290?
91115A290 is a STANDOFF,THREADED,SPACING.
What is the NSN for 91115A290?
91115A290 is cataloged in the U.S. Government catalog under NSN 5340-01-589-4779. 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.