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SQ2GBK1 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SQ2GBK1: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, POLYETHYLENE (PP), design_type: MOLDED, overall_width: 2.0 INCHES NOMINAL IN, overall_height: 0.520 INCHES NOMINAL IN, overall_length: 2.0 INCHES NOMINAL IN, special_features: SQUARE TUBING PLUG 2X2 INCH,TUBE WALLS 0.165"TO 0.238" MATERIAL:POLYETHYLENE,HORIZONAL RIBS,COLOR:BLACK. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-673-6042, 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
SQ2GBK1
NSN: 5340-01-673-6042
FSC: 5340 — Hardware, Commercial
CAGE: 62081 — MOCAP LLC (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
design_typeMOLDED
overall_width2.0 INCHES NOMINAL IN
overall_height0.520 INCHES NOMINAL IN
overall_length2.0 INCHES NOMINAL IN
special_featuresSQUARE TUBING PLUG 2X2 INCH,TUBE WALLS 0.165"TO 0.238" MATERIAL:POLYETHYLENE,HORIZONAL RIBS,COLOR:BLACK
NSN5340-01-673-6042
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SQ2GBK1 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
•
DESIGN TYPE: MOLDED
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.520 INCHES NOMINAL IN
DESIGN TYPEMOLDED
OVERALL LENGTH2.0 INCHES NOMINAL IN
OVERALL WIDTH2.0 INCHES NOMINAL IN
SPECIAL FEATURESSQUARE TUBING PLUG 2X2 INCH,TUBE WALLS 0.165"TO 0.238" MATERIAL:POLYETHYLENE,HORIZONAL RIBS,COLOR:BLACK
MATERIALPLASTIC, POLYETHYLENE (PP)
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 SQ2GBK1?
SQ2GBK1 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for SQ2GBK1?
SQ2GBK1 is cataloged in the U.S. Government catalog under NSN 5340-01-673-6042. 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.