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659759 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

659759: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN, diameter: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, material: STEEL COMP 630 OVERALL, groove_diameter: 0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN, special_features: THREAD CHARACTERISTICS, INTERNAL, FIRST, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-413-1347, 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
659759
NSN: 5340-00-413-1347
FSC: 5340 — Hardware, Commercial
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
length0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
diameter0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
materialSTEEL COMP 630 OVERALL
groove_diameter0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
special_featuresTHREAD CHARACTERISTICS, INTERNAL, FIRST
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
surface_treatmentPASSIVATE OVERALL
cross-sectional_shapeROUND
left_counterbore_depth0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
left_counterbore_diameter0.102 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
criticality_code_justificationFEAT
material_document_and_classificationAMS 5643, CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-413-1347
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 659759 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
•
LEFT COUNTERBORE DEPTH: 0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
•
LENGTH: 0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 990104 FSC-06481 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
GROOVE DIAMETER: 0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643, CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LEFT COUNTERBORE DEPTH0.041 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
LENGTH0.082 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION990104 FSC-06481 MFR REF SINGLE TREATMENT RESPONSE OVERALL
GROOVE DIAMETER0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
CRITICALITY CODE JUSTIFICATIONFEAT
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643, CONDITION A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.187 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
LEFT COUNTERBORE DIAMETER0.102 INCHES MINIMUM AND 0.104 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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 659759?
659759 is a STANDOFF,THREADED,SPACING.
What is the NSN for 659759?
659759 is cataloged in the U.S. Government catalog under NSN 5340-00-413-1347. This indicates validated use in U.S. government and defense supply chains.
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