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545359 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

545359: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.500 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN, material: ALUMINUM ALLOY OVERALL, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), special_features: RIGHT INTERNAL THREADED END 0.250IN. OD BY 0.310 IN.

LG IN, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD), surface_treatment: ANODIZE OVERALL. This part is cataloged in the U.S. Government catalog under NSN 5340-00-952-4005, 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
545359
NSN: 5340-00-952-4005
FSC: 5340 — Hardware, Commercial
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
length1.500 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
materialALUMINUM ALLOY OVERALL
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
special_featuresRIGHT INTERNAL THREADED END 0.250IN. OD BY 0.310 IN. LG IN
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentANODIZE OVERALL
cross-sectional_shapeROUND
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
NSN5340-00-952-4005
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 545359 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: 1.500 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
CROSS-SECTIONAL SHAPE: ROUND
•
SURFACE TREATMENT: ANODIZE OVERALL
•
THREAD CLASS: 2A RIGHT EXTERNAL A
•
MATERIAL: ALUMINUM ALLOY OVERALL
TECHNICAL CHARACTERISTICS
LENGTH1.500 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
CROSS-SECTIONAL SHAPEROUND
SPECIAL FEATURESRIGHT INTERNAL THREADED END 0.250IN. OD BY 0.310 IN. LG IN
SURFACE TREATMENTANODIZE OVERALL
THREAD CLASS2A RIGHT EXTERNAL A
THREAD CLASS2B LEFT INTERNAL (INCLUDES THRU THREAD)
MATERIALALUMINUM ALLOY OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL
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 545359?
545359 is a STANDOFF,THREADED,SPACING.
What is the NSN for 545359?
545359 is cataloged in the U.S. Government catalog under NSN 5340-00-952-4005. 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.