PartsTable
Technical Data Sheet
Download PDF

SMTSO-116-8ET — STANDOFF,THREADED,SNAP-IN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SMTSO-116-8ET: STANDOFF,THREADED,SNAP-IN.

The STANDOFF,THREADED,SNAP-IN is a the manufacturer industrial component. Key specifications include length: 0.250 INCHES NOMINAL IN, material: STEEL OVERALL, hole_diameter: 0.113 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, flange_diameter: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN, style_designator: PROJECTION ONE END, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-631-5376, 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
SMTSO-116-8ET
NSN: 5340-01-631-5376
FSC: 5340 — Hardware, Commercial
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL IN
materialSTEEL OVERALL
hole_diameter0.113 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
flange_diameter0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
style_designatorPROJECTION ONE END
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentTIN ALLOY OVERALL
nominal_thread_size12.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM
end_item_identificationFDP ALIGNMENT
right_projection_length0.060 INCHES NOMINAL IN
right_projection_diameter0.161 INCHES MAXIMUM IN
part_name_assigned_by_controlling_agencySURFACE MOUNTED STANDOFF
NSN5340-01-631-5376
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SMTSO-116-8ET 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
•
FLANGE DIAMETER: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
•
LENGTH: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B545, CL A NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: PROJECTION ONE END
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 12.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM
•
SURFACE TREATMENT: TIN ALLOY OVERALL
TECHNICAL CHARACTERISTICS
FLANGE DIAMETER0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN
LENGTH0.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM B545, CL A NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORPROJECTION ONE END
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE12.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM
SURFACE TREATMENTTIN ALLOY OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYSURFACE MOUNTED STANDOFF
END ITEM IDENTIFICATIONFDP ALIGNMENT
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy SMTSO-116-8ET?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SMTSO-116-8ET?
SMTSO-116-8ET is a STANDOFF,THREADED,SNAP-IN.
What is the NSN for SMTSO-116-8ET?
SMTSO-116-8ET is cataloged in the U.S. Government catalog under NSN 5340-01-631-5376. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SMTSO-116-8ET

✓ 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.