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1775759 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1775759: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.688 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2024 STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.297 INCHES NOMINAL RIGHT EXTERNAL IN, flange_thickness: 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN, style_designator: FLANGED WITH LEFT INTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-685-3484, 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
1775759
NSN: 5340-00-685-3484
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
length1.688 INCHES NOMINAL IN
materialALUMINUM ALLOY 2024 STANDOFF
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.297 INCHES NOMINAL RIGHT EXTERNAL IN
flange_thickness1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
style_designatorFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
nominal_thread_size0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_quantity_per_inch32 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
flange_width_across_flats0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-22516 T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
NSN5340-00-685-3484
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1775759 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
•
FLANGE WIDTH ACROSS FLATS: 0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
•
LENGTH: 1.688 INCHES NOMINAL IN
•
FLANGE THICKNESS: 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.297 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-22516 T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.244 INCHES MINIMUM AND 0.256 INCHES MAXIMUM IN
LENGTH1.688 INCHES NOMINAL IN
FLANGE THICKNESS1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
THREAD LENGTH0.297 INCHES NOMINAL RIGHT EXTERNAL IN
THREAD LENGTH0.390 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-22516 T4 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.164 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) 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 1775759?
1775759 is a STANDOFF,THREADED,SPACING.
What is the NSN for 1775759?
1775759 is cataloged in the U.S. Government catalog under NSN 5340-00-685-3484. 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.