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4538T-440-SS — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4538T-440-SS: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.781 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, thread_length: 0.187 INCHES MAXIMUM RIGHT EXTERNAL IN, special_features: ROHS COMPLIANT, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND RIGHT EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-630-1346, 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
4538T-440-SS
NSN: 5340-01-630-1346
FSC: 5340 — Hardware, Commercial
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
length0.781 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
thread_length0.187 INCHES MAXIMUM RIGHT EXTERNAL IN
special_featuresROHS COMPLIANT
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND RIGHT EXTERNAL
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeHEXAGON
end_item_identification2218000-202
right_projection_length0.187 INCHES MAXIMUM IN
thread_quantity_per_inch40 RIGHT EXTERNAL
NSN5340-01-630-1346
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4538T-440-SS 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: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.781 INCHES NOMINAL IN
•
THREAD LENGTH: 0.112 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.112 INCHES RIGHT EXTERNAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.781 INCHES NOMINAL IN
THREAD LENGTH0.112 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
THREAD LENGTH0.187 INCHES MAXIMUM RIGHT EXTERNAL IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.112 INCHES RIGHT EXTERNAL IN
NOMINAL THREAD SIZE0.112 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
CROSS-SECTIONAL SHAPEHEXAGON
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
6014659-001Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 4538T-440-SS?
4538T-440-SS is a STANDOFF,THREADED,SPACING.
What parts can replace 4538T-440-SS?
There is 1 known substitute for 4538T-440-SS: 6014659-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 4538T-440-SS?
4538T-440-SS is cataloged in the U.S. Government catalog under NSN 5340-01-630-1346. This indicates validated use in U.S. government and defense supply chains.
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