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621-7546-001 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

621-7546-001: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.310 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN, diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, flange_diameter: 0.250 INCHES NOMINAL IN, flange_thickness: 0.080 INCHES NOMINAL IN, style_designator: PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD, cross-sectional_shape: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-013-3137, 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
621-7546-001
NSN: 5340-01-013-3137
FSC: 5340 — Hardware, Commercial
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
length0.310 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
flange_diameter0.250 INCHES NOMINAL IN
flange_thickness0.080 INCHES NOMINAL IN
style_designatorPROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD
cross-sectional_shapeROUND
NSN5340-01-013-3137
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 621-7546-001 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 DIAMETER: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.310 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.080 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
DIAMETER: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.250 INCHES NOMINAL IN
LENGTH0.310 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
FLANGE THICKNESS0.080 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION AND FLANGE LEFT INTERNAL AND RIGHT EXTERNAL THREAD
DIAMETER0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND
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 621-7546-001?
621-7546-001 is a STANDOFF,THREADED,SPACING.
What is the NSN for 621-7546-001?
621-7546-001 is cataloged in the U.S. Government catalog under NSN 5340-01-013-3137. This indicates validated use in U.S. government and defense supply chains.
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