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6813100 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6813100: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: ALUMINUM OR ALUMINUM ALLOY, design_type: FRICTION, overall_diameter: 1.250 INCHES NOMINAL IN, special_features: CAP, INLET SEAL; DIAMOND KNURLING CUT (96-DP) WITH 30 DEGREE RAISED, surface_treatment: ANODIZE, width_across_flats: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-516-4789, 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
6813100
NSN: 5340-01-516-4789
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialALUMINUM OR ALUMINUM ALLOY
design_typeFRICTION
overall_diameter1.250 INCHES NOMINAL IN
special_featuresCAP, INLET SEAL; DIAMOND KNURLING CUT (96-DP) WITH 30 DEGREE RAISED
surface_treatmentANODIZE
width_across_flats1.250 INCHES NOMINAL IN
inside_diameter_length0.500 INCHES NOMINAL IN
end_item_identificationHEAVYWEIGHT T
round_cap_outside_surface_conditionKNURLED
tube_outside_diameter_for_which_designed1.250 INCHES NOMINAL IN
opening_inside_diameter_for_which_designed0.796 INCHES MINIMUM AND 0.798 INCHES MAXIMUM IN
connector_nominal_thread_size_for_which_designed0.500 INCHES IN
NSN5340-01-516-4789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6813100 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
•
WIDTH ACROSS FLATS: 1.250 INCHES NOMINAL IN
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.250 INCHES NOMINAL IN
•
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
•
OPENING INSIDE DIAMETER FOR WHICH DESIGNED: 0.796 INCHES MINIMUM AND 0.798 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.250 INCHES NOMINAL IN
DESIGN TYPEFRICTION
OVERALL DIAMETER1.250 INCHES NOMINAL IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.250 INCHES NOMINAL IN
CONNECTOR NOMINAL THREAD SIZE FOR WHICH DESIGNED0.500 INCHES IN
OPENING INSIDE DIAMETER FOR WHICH DESIGNED0.796 INCHES MINIMUM AND 0.798 INCHES MAXIMUM IN
SPECIAL FEATURESCAP, INLET SEAL; DIAMOND KNURLING CUT (96-DP) WITH 30 DEGREE RAISED
SURFACE TREATMENTANODIZE
END ITEM IDENTIFICATIONHEAVYWEIGHT T
MATERIALALUMINUM OR ALUMINUM ALLOY
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
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FREQUENTLY ASKED QUESTIONS
What is 6813100?
6813100 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What is the NSN for 6813100?
6813100 is cataloged in the U.S. Government catalog under NSN 5340-01-516-4789. 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.