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A15P2520-1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A15P2520-1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.310 INCHES MINIMUM AND 1.316 INCHES MAXIMUM IN, material: STEEL CORROSION RESISTING OVERALL, thread_class: 3A RIGHT EXTERNAL A, thread_length: 0.620 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: LEFT INTERNAL AND RIGHT EXTERNAL THREAD, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-412-5461, 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
A15P2520-1
NSN: 5340-01-412-5461
FSC: 5340 — Hardware, Commercial
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
length1.310 INCHES MINIMUM AND 1.316 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
thread_class3A RIGHT EXTERNAL A
thread_length0.620 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designatorLEFT INTERNAL AND RIGHT EXTERNAL THREAD
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeHEXAGON
right_projection_length0.504 INCHES NOMINAL IN
thread_quantity_per_inch28 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) RIGHT EXTERNAL
NSN5340-01-412-5461
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A15P2520-1 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: 0.500 INCHES NOMINAL IN
•
LENGTH: 1.310 INCHES MINIMUM AND 1.316 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.504 INCHES MAXIMUM RIGHT EXTERNAL IN
•
STYLE DESIGNATOR: LEFT INTERNAL AND RIGHT EXTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
LENGTH1.310 INCHES MINIMUM AND 1.316 INCHES MAXIMUM IN
THREAD LENGTH0.504 INCHES MAXIMUM RIGHT EXTERNAL IN
THREAD LENGTH0.620 INCHES MINIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORLEFT INTERNAL AND RIGHT EXTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.250 INCHES RIGHT EXTERNAL IN
NOMINAL THREAD SIZE0.250 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
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 A15P2520-1?
A15P2520-1 is a STANDOFF,THREADED,SPACING.
What is the NSN for A15P2520-1?
A15P2520-1 is cataloged in the U.S. Government catalog under NSN 5340-01-412-5461. 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.