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12540524-3 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12540524-3: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.350 INCHES NOMINAL IN, diameter: 1.750 INCHES NOMINAL IN, material: STEEL INSERT, end_radius: 0.875 INCHES NOMINAL IN, thread_class: 2A RIGHT INTERNAL A, thread_length: 0.580 INCHES NOMINAL RIGHT INTERNAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-605-1683, 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
12540524-3
NSN: 5340-01-605-1683
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length1.350 INCHES NOMINAL IN
diameter1.750 INCHES NOMINAL IN
materialSTEEL INSERT
end_radius0.875 INCHES NOMINAL IN
thread_class2A RIGHT INTERNAL A
thread_length0.580 INCHES NOMINAL RIGHT INTERNAL IN
style_designatorPROJECTION ONE END LEFT INTERNAL THREAD
thread_directionRIGHT-HAND RIGHT INTERNAL
nominal_thread_size0.250 INCHES RIGHT INTERNAL IN
cross-sectional_shapeROUND
end_item_identification2350014059886 ARMORED RECONNAISSANCE-AIRBORNE ASSAULT VEHICLE; A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
right_projection_length4.650 INCHES NOMINAL IN
NSN5340-01-605-1683
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12540524-3 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
•
LENGTH: 1.350 INCHES NOMINAL IN
•
END RADIUS: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.580 INCHES NOMINAL RIGHT INTERNAL IN
•
STYLE DESIGNATOR: PROJECTION ONE END LEFT INTERNAL THREAD
•
DIAMETER: 1.750 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND RIGHT INTERNAL
•
NOMINAL THREAD SIZE: 0.250 INCHES RIGHT INTERNAL IN
•
CROSS-SECTIONAL SHAPE: ROUND
TECHNICAL CHARACTERISTICS
LENGTH1.350 INCHES NOMINAL IN
END RADIUS0.875 INCHES NOMINAL IN
THREAD LENGTH0.580 INCHES NOMINAL RIGHT INTERNAL IN
STYLE DESIGNATORPROJECTION ONE END LEFT INTERNAL THREAD
DIAMETER1.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND RIGHT INTERNAL
NOMINAL THREAD SIZE0.250 INCHES RIGHT INTERNAL IN
CROSS-SECTIONAL SHAPEROUND
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUD, ADAPTER
THREAD CLASS2A RIGHT INTERNAL A
SUBSTITUTES & CROSS-REFERENCES 1
12540524Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12540524-3?
12540524-3 is a STANDOFF,THREADED,SPACING.
What parts can replace 12540524-3?
There is 1 known substitute for 12540524-3: 12540524. Substitute compatibility should be verified for your specific system.
What is the NSN for 12540524-3?
12540524-3 is cataloged in the U.S. Government catalog under NSN 5340-01-605-1683. 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.