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11678318 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

11678318: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.462 INCHES NOMINAL IN, material: STEEL COMP 4130 OVERALL, groove_width: 0.250 INCHES NOMINAL IN, thread_length: 0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN, groove_diameter: 0.402 INCHES NOMINAL IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-036-3483, 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
11678318
NSN: 5340-01-036-3483
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length0.462 INCHES NOMINAL IN
materialSTEEL COMP 4130 OVERALL
groove_width0.250 INCHES NOMINAL IN
thread_length0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
groove_diameter0.402 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats0.930 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
material_document_and_classificationFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416, TYPE 2, CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5340-01-036-3483
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 11678318 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: 0.930 INCHES NOMINAL IN
•
LENGTH: 0.462 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
GROOVE DIAMETER: 0.402 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.930 INCHES NOMINAL IN
LENGTH0.462 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
GROOVE DIAMETER0.402 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.812 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONFED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTCADMIUM AND CHROMATE 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 11678318?
11678318 is a STANDOFF,THREADED,SPACING.
What is the NSN for 11678318?
11678318 is cataloged in the U.S. Government catalog under NSN 5340-01-036-3483. This indicates validated use in U.S. government and defense supply chains.
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