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5408837 — CAP-PLUG,PROTECTIVE,DUST AND MOI

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5408837: CAP-PLUG,PROTECTIVE,DUST AND MOI.

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: ALUMINUM ALLOY 6061, length_under_shoulder: 0.440 INCHES NOMINAL IN, open_end_inside_diameter: 4.094 INCHES MINIMUM AND 4.098 INCHES MAXIMUM IN, closed_end_overall_diameter: 5.270 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-069-2518, 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
5408837
NSN: 5340-01-069-2518
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
special_featuresFOUR 0.185 IN. MIN AND 0.197 IN. MAX DIA THRU HOLES WITH A 0.313 IN. PORM 0.005 IN. DIA BY 0.100 IN. DEEP COUNTERBORE LOCATED ON A 4.750 IN. DIA BOLT CIRCLE SPACED 90 DEG APART IN
length_under_shoulder0.440 INCHES NOMINAL IN
open_end_inside_diameter4.094 INCHES MINIMUM AND 4.098 INCHES MAXIMUM IN
closed_end_overall_diameter5.270 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
NSN5340-01-069-2518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5408837 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: 5.270 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
•
LENGTH UNDER SHOULDER: 0.440 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 4.094 INCHES MINIMUM AND 4.098 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 6061
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER5.270 INCHES MINIMUM AND 5.280 INCHES MAXIMUM IN
LENGTH UNDER SHOULDER0.440 INCHES NOMINAL IN
SPECIAL FEATURESFOUR 0.185 IN. MIN AND 0.197 IN. MAX DIA THRU HOLES WITH A 0.313 IN. PORM 0.005 IN. DIA BY 0.100 IN. DEEP COUNTERBORE LOCATED ON A 4.750 IN. DIA BOLT CIRCLE SPACED 90 DEG APART IN
OPEN END INSIDE DIAMETER4.094 INCHES MINIMUM AND 4.098 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 6061
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
2074472Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5408837?
5408837 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 5408837?
There is 1 known substitute for 5408837: 2074472. Substitute compatibility should be verified for your specific system.
What is the NSN for 5408837?
5408837 is cataloged in the U.S. Government catalog under NSN 5340-01-069-2518. This indicates validated use in U.S. government and defense supply chains.
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