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676-8542-001 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

676-8542-001: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include diameter: 0.193 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN, material: STEEL COMP 303 OVERALL, thread_class: 2B FLANGE HOLE, thread_length: 0.460 INCHES NOMINAL RIGHT EXTERNAL IN, shoulder_length: 0.675 INCHES NOMINAL IN, flange_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-379-8666, 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
676-8542-001
NSN: 5340-01-379-8666
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
diameter0.193 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
materialSTEEL COMP 303 OVERALL
thread_class2B FLANGE HOLE
thread_length0.460 INCHES NOMINAL RIGHT EXTERNAL IN
shoulder_length0.675 INCHES NOMINAL IN
flange_thickness0.125 INCHES NOMINAL IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREADS
thread_directionRIGHT-HAND FLANGE HOLE
shoulder_diameter0.192 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.112 INCHES RIGHT EXTERNAL IN
cross-sectional_shapeROUND
NSN5340-01-379-8666
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 676-8542-001 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: 0.242 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35, TY IV FED SPEC 2ND TREATMENT RESPONSE OVERALL
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
THREAD LENGTH: 0.460 INCHES NOMINAL RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREADS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.193 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.242 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TY IV FED SPEC 2ND TREATMENT RESPONSE OVERALL
FLANGE THICKNESS0.125 INCHES NOMINAL IN
THREAD LENGTH0.460 INCHES NOMINAL RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREADS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.193 INCHES MINIMUM AND 0.202 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND FLANGE HOLE
NOMINAL THREAD SIZE0.112 INCHES RIGHT EXTERNAL 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 676-8542-001?
676-8542-001 is a STANDOFF,THREADED,SPACING.
What is the NSN for 676-8542-001?
676-8542-001 is cataloged in the U.S. Government catalog under NSN 5340-01-379-8666. This indicates validated use in U.S. government and defense supply chains.
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