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5265808-003 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5265808-003: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.4000 INCHES NOMINAL IN, thread_class: 2A LEFT EXTERNAL A, thread_length: 0.1700 INCHES NOMINAL LEFT EXTERNAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND LEFT EXTERNAL, surface_treatment: PASSIVATE STANDOFF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-406-2352, 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
5265808-003
NSN: 5340-01-406-2352
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
length0.4000 INCHES NOMINAL IN
thread_class2A LEFT EXTERNAL A
thread_length0.1700 INCHES NOMINAL LEFT EXTERNAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND LEFT EXTERNAL
surface_treatmentPASSIVATE STANDOFF
width_across_flats0.2500 INCHES NOMINAL IN
nominal_thread_size0.1120 INCHES LEFT EXTERNAL IN
cross-sectional_shapeHEXAGON
right_projection_length0.2300 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM IN
thread_quantity_per_inch40 LEFT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL
NSN5340-01-406-2352
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5265808-003 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: 0.2500 INCHES NOMINAL IN
•
LENGTH: 0.4000 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35, TY 1, TY 2, TY 3 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
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THREAD LENGTH: 0.2500 INCHES NOMINAL RIGHT INTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.2500 INCHES NOMINAL IN
LENGTH0.4000 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TY 1, TY 2, TY 3 FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
THREAD LENGTH0.2500 INCHES NOMINAL RIGHT INTERNAL IN
THREAD LENGTH0.1700 INCHES NOMINAL LEFT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT EXTERNAL
NOMINAL THREAD SIZE0.1120 INCHES RIGHT INTERNAL 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5265808-003?
5265808-003 is a STANDOFF,THREADED,SPACING.
What is the NSN for 5265808-003?
5265808-003 is cataloged in the U.S. Government catalog under NSN 5340-01-406-2352. 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.