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SS-5172-200-00 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SS-5172-200-00: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 20.0 MILLIMETERS NOMINAL MM, material: STEEL OVERALL, style_designator: PROJECTION ONE END, surface_treatment: ZINC OVERALL, width_across_flats: 5.5 MILLIMETERS NOMINAL MM, cross-sectional_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-561-5745, 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
SS-5172-200-00
NSN: 5340-01-561-5745
FSC: 5340 — Hardware, Commercial
CAGE: 3L891 — STANDARD BOLT NUT AND SCREW CO (USA)
SPECIFICATIONS
length20.0 MILLIMETERS NOMINAL MM
materialSTEEL OVERALL
style_designatorPROJECTION ONE END
surface_treatmentZINC OVERALL
width_across_flats5.5 MILLIMETERS NOMINAL MM
cross-sectional_shapeHEXAGON
end_item_identificationH-53 HELICOPTER
part_name_assigned_by_controlling_agencySTANDOFF,M3X20,STUD
NSN5340-01-561-5745
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SS-5172-200-00 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: 5.5 MILLIMETERS NOMINAL MM
•
LENGTH: 20.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: PROJECTION ONE END
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS5.5 MILLIMETERS NOMINAL MM
LENGTH20.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORPROJECTION ONE END
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSTANDOFF,M3X20,STUD
END ITEM IDENTIFICATIONH-53 HELICOPTER
MATERIALSTEEL OVERALL
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
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS-5172-200-00?
SS-5172-200-00 is a STANDOFF,THREADED,SPACING.
What is the NSN for SS-5172-200-00?
SS-5172-200-00 is cataloged in the U.S. Government catalog under NSN 5340-01-561-5745. 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.