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ST3M669R6 — RETAINER,NUT AND BOLT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST3M669R6: RETAINER,NUT AND BOLT.

The RETAINER,NUT AND BOLT is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660, overall_width: 0.840 INCHES MAXIMUM IN, overall_height: 0.335 INCHES NOMINAL IN, overall_length: 1.620 INCHES MAXIMUM IN, surface_treatment: PASSIVATE, material_thickness: 0.042 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-022-4060, 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
ST3M669R6
NSN: 5340-01-022-4060
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialIRON ALLOY 660
overall_width0.840 INCHES MAXIMUM IN
overall_height0.335 INCHES NOMINAL IN
overall_length1.620 INCHES MAXIMUM IN
surface_treatmentPASSIVATE
material_thickness0.042 INCHES NOMINAL IN
mounting_hole_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
material_document_and_classificationAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
distance_between_mounting_hole_centers0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
center_to_center_distance_between_cup_and_mounting_hole0.695 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
NSN5340-01-022-4060
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST3M669R6 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
•
DISTANCE BETWEEN MOUNTING HOLE CENTERS: 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.042 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE: 0.695 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.335 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING HOLE CENTERS0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
OVERALL LENGTH1.620 INCHES MAXIMUM IN
OVERALL WIDTH0.840 INCHES MAXIMUM IN
MATERIAL THICKNESS0.042 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN CUP AND MOUNTING HOLE0.695 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE
MATERIALIRON ALLOY 660
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
F49965-6FBSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 ST3M669R6?
ST3M669R6 is a RETAINER,NUT AND BOLT.
What parts can replace ST3M669R6?
There is 1 known substitute for ST3M669R6: F49965-6FB. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M669R6?
ST3M669R6 is cataloged in the U.S. Government catalog under NSN 5340-01-022-4060. 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.