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546-6577-002 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

546-6577-002: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 4.150 INCHES MINIMUM AND 4.170 INCHES MAXIMUM IN, style_designator: LEFT INTERNAL AND RIGHT INTERNAL THREADS, width_across_flats: 0.219 INCHES NOMINAL IN, cross-sectional_shape: RECTANGULAR, distance_between_hole_centers: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN, distance_from_end_to_hole_center: 1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-008-4610, 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
546-6577-002
NSN: 5340-00-008-4610
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
length4.150 INCHES MINIMUM AND 4.170 INCHES MAXIMUM IN
style_designatorLEFT INTERNAL AND RIGHT INTERNAL THREADS
width_across_flats0.219 INCHES NOMINAL IN
cross-sectional_shapeRECTANGULAR
distance_between_hole_centers1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
distance_from_end_to_hole_center1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN
hole_quantity_perpendicular_to_axis2
NSN5340-00-008-4610
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 546-6577-002 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: 0.219 INCHES NOMINAL IN
•
LENGTH: 4.150 INCHES MINIMUM AND 4.170 INCHES MAXIMUM IN
•
DISTANCE BETWEEN HOLE CENTERS: 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT INTERNAL THREADS
•
CROSS-SECTIONAL SHAPE: RECTANGULAR
•
DISTANCE FROM END TO HOLE CENTER: 1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN
•
HOLE QUANTITY PERPENDICULAR TO AXIS: 2
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.219 INCHES NOMINAL IN
LENGTH4.150 INCHES MINIMUM AND 4.170 INCHES MAXIMUM IN
DISTANCE BETWEEN HOLE CENTERS1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT INTERNAL THREADS
CROSS-SECTIONAL SHAPERECTANGULAR
DISTANCE FROM END TO HOLE CENTER1.078 INCHES MINIMUM AND 1.088 INCHES MAXIMUM IN
HOLE QUANTITY PERPENDICULAR TO AXIS2
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 1
A7034Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 546-6577-002?
546-6577-002 is a STANDOFF,THREADED,SPACING.
What parts can replace 546-6577-002?
There is 1 known substitute for 546-6577-002: A7034. Substitute compatibility should be verified for your specific system.
What is the NSN for 546-6577-002?
546-6577-002 is cataloged in the U.S. Government catalog under NSN 5340-00-008-4610. This indicates validated use in U.S. government and defense supply chains.
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