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SST #281 — STRIKE,CATCH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SST #281: STRIKE,CATCH.

The STRIKE,CATCH is a the manufacturer industrial component. Key specifications include height: 0.625 INCHES NOMINAL IN, material: UNABLE TO DECODE, opening_width: 0.565 INCHES NOMINAL IN, overall_width: 1.000 INCHES NOMINAL IN, opening_length: 0.380 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-408-4858, 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
SST #281
NSN: 5340-01-408-4858
FSC: 5340 — Hardware, Commercial
CAGE: 86355 — POLAR MFG CO (USA)
SPECIFICATIONS
height0.625 INCHES NOMINAL IN
materialUNABLE TO DECODE
hole_quantity2
opening_width0.565 INCHES NOMINAL IN
overall_width1.000 INCHES NOMINAL IN
opening_length0.380 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
style_designatorSURFACE
mounting_facilityUNTHREADED HOLE(S)
material_thickness0.060 INCHES NOMINAL IN
mounting_hole_diameter0.170 INCHES NOMINAL IN
NSN5340-01-408-4858
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SST #281 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
•
OPENING LENGTH: 0.380 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SURFACE
•
OPENING WIDTH: 0.565 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.170 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
HEIGHT: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OPENING LENGTH0.380 INCHES NOMINAL IN
STYLE DESIGNATORSURFACE
OPENING WIDTH0.565 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.170 INCHES NOMINAL IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH1.000 INCHES NOMINAL IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
HEIGHT0.625 INCHES NOMINAL IN
MOUNTING FACILITYUNTHREADED HOLE(S)
MATERIALUNABLE TO DECODE
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
1709AS887Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SST #281?
SST #281 is a STRIKE,CATCH.
What parts can replace SST #281?
There is 1 known substitute for SST #281: 1709AS887. Substitute compatibility should be verified for your specific system.
What is the NSN for SST #281?
SST #281 is cataloged in the U.S. Government catalog under NSN 5340-01-408-4858. 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.