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9739A0440-2 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9739A0440-2: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.688 INCHES NOMINAL IN, material: ALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 7075 STANDOFF, thread_class: 2A RIGHT EXTERNAL A, flange_thickness: 0.500 INCHES NOMINAL IN, style_designator: FLANGED WITH LEFT INTERNAL THREAD, thread_direction: RIGHT-HAND RIGHT EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-457-1504, 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
9739A0440-2
NSN: 5340-00-457-1504
FSC: 5340 — Hardware, Commercial
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
length0.688 INCHES NOMINAL IN
materialALUMINUM ALLOY 2011 OR ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 7075 STANDOFF
thread_class2A RIGHT EXTERNAL A
flange_thickness0.500 INCHES NOMINAL IN
style_designatorFLANGED WITH LEFT INTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
surface_treatmentANODIZE STANDOFF
nominal_thread_size0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
thread_quantity_per_inch40 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
flange_width_across_flats0.250 INCHES NOMINAL IN
surface_treatment_document_and_classificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
NSN5340-00-457-1504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9739A0440-2 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: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.688 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
•
FLANGE THICKNESS: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLANGED WITH LEFT INTERNAL THREAD
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.112 INCHES RIGHT EXTERNAL IN
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.688 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE STANDOFF
FLANGE THICKNESS0.500 INCHES NOMINAL IN
STYLE DESIGNATORFLANGED WITH LEFT INTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.112 INCHES RIGHT EXTERNAL IN
NOMINAL THREAD SIZE0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
SURFACE TREATMENTANODIZE STANDOFF
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 9739A0440-2?
9739A0440-2 is a STANDOFF,THREADED,SPACING.
What is the NSN for 9739A0440-2?
9739A0440-2 is cataloged in the U.S. Government catalog under NSN 5340-00-457-1504. 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.