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3-070551 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3-070551: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, POLYETHYLENE (PP), length_under_shoulder: 0.370 INCHES NOMINAL IN, open_end_inside_diameter: 1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN, closed_end_overall_diameter: 2.225 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-887-6798, 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
3-070551
NSN: 5340-00-887-6798
FSC: 5340 — Hardware, Commercial
CAGE: 94231 — THE CHAMPION COMPANY DIV GROUND SUPPORT EQUIPMENT (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
length_under_shoulder0.370 INCHES NOMINAL IN
open_end_inside_diameter1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
closed_end_overall_diameter2.225 INCHES NOMINAL IN
NSN5340-00-887-6798
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-070551 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
•
CLOSED END OVERALL DIAMETER: 2.225 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 0.370 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER2.225 INCHES NOMINAL IN
LENGTH UNDER SHOULDER0.370 INCHES NOMINAL IN
OPEN END INSIDE DIAMETER1.228 INCHES MINIMUM AND 1.248 INCHES MAXIMUM IN
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 1
6800316Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-070551?
3-070551 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 3-070551?
There is 1 known substitute for 3-070551: 6800316. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-070551?
3-070551 is cataloged in the U.S. Government catalog under NSN 5340-00-887-6798. 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.