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177451-0001 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

177451-0001: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thread_class: 2A LEFT INTERNAL (INCLUDES THRU THREAD) A, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD), width_across_flats: 0.250 INCHES NOMINAL IN, nominal_thread_size: 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-449-1817, 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
177451-0001
NSN: 5340-01-449-1817
FSC: 5340 — Hardware, Commercial
CAGE: 55566 — MATTHEW WARREN, INC DBA RAF ELECTRONIC HARDWARE DIV RAF ELECTRONIC HARDWARE, LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
thread_class2A LEFT INTERNAL (INCLUDES THRU THREAD) A
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
width_across_flats0.250 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeHEXAGON
thread_quantity_per_inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
NSN5340-01-449-1817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 177451-0001 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
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
THREAD CLASS: 2A LEFT INTERNAL (INCLUDES THRU THREAD) A
•
THREAD QUANTITY PER INCH: 32 LEFT INTERNAL (INCLUDES THRU THREAD)
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
CROSS-SECTIONAL SHAPEHEXAGON
THREAD CLASS2A LEFT INTERNAL (INCLUDES THRU THREAD) A
THREAD QUANTITY PER INCH32 LEFT INTERNAL (INCLUDES THRU THREAD)
MATERIALALUMINUM ALLOY 6061 OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD)
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 177451-0001?
177451-0001 is a STANDOFF,THREADED,SPACING.
What is the NSN for 177451-0001?
177451-0001 is cataloged in the U.S. Government catalog under NSN 5340-01-449-1817. This indicates validated use in U.S. government and defense supply chains.
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