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52.0261.510.02 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

52.0261.510.02: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.551 INCHES NOMINAL IN, material: STEEL COMP 303 STANDOFF, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.181 INCHES NOMINAL RIGHT EXTERNAL IN, shoulder_length: 0.281 INCHES NOMINAL IN, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-201-2660, 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
52.0261.510.02
NSN: 5340-01-201-2660
FSC: 5340 — Hardware, Commercial
CAGE: D1901 — HENSOLDT SENSORS GMBH DIV SEPS (DEU)
SPECIFICATIONS
length0.551 INCHES NOMINAL IN
materialSTEEL COMP 303 STANDOFF
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.181 INCHES NOMINAL RIGHT EXTERNAL IN
shoulder_length0.281 INCHES NOMINAL IN
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
shoulder_diameter0.125 INCHES NOMINAL IN
surface_treatmentPASSIVATE STANDOFF
nominal_thread_size0.086 INCHES RIGHT EXTERNAL IN
thread_quantity_per_inch56 RIGHT EXTERNAL
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
NSN5340-01-201-2660
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 52.0261.510.02 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: 0.551 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TYPE IV FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
•
THREAD LENGTH: 0.181 INCHES NOMINAL RIGHT EXTERNAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
•
THREAD DIRECTION: RIGHT-HAND RIGHT EXTERNAL
•
NOMINAL THREAD SIZE: 0.086 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
TECHNICAL CHARACTERISTICS
LENGTH0.551 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 TYPE IV FED SPEC SINGLE TREATMENT RESPONSE STANDOFF
THREAD LENGTH0.181 INCHES NOMINAL RIGHT EXTERNAL IN
THREAD LENGTH0.203 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STANDOFF
THREAD DIRECTIONRIGHT-HAND RIGHT EXTERNAL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.086 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
NOMINAL THREAD SIZE0.086 INCHES RIGHT EXTERNAL IN
SHOULDER DIAMETER0.125 INCHES NOMINAL 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 1
33-063119-01Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 52.0261.510.02?
52.0261.510.02 is a STANDOFF,THREADED,SPACING.
What parts can replace 52.0261.510.02?
There is 1 known substitute for 52.0261.510.02: 33-063119-01. Substitute compatibility should be verified for your specific system.
What is the NSN for 52.0261.510.02?
52.0261.510.02 is cataloged in the U.S. Government catalog under NSN 5340-01-201-2660. 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.