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AB 02 05 01212 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AB 02 05 01212: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. This part is cataloged in the U.S. Government catalog under NSN 5340-00-237-8276, 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
AB 02 05 01212
NSN: 5340-00-237-8276
FSC: 5340 — Hardware, Commercial
CAGE: K5718 — GUYSON INTERNATIONAL LTD (HOSE & COUPLINGS DIVISION) (GBR)
SPECIFICATIONS
Part NumberAB 02 05 01212
NSN5340-00-237-8276
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AB 02 05 01212 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
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 8
S206608Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AB/2/5/1212Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MW 7223Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5206608Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
PDC-2-HKReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
13048970Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 AB 02 05 01212?
AB 02 05 01212 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace AB 02 05 01212?
There are 8 known substitutes for AB 02 05 01212: S206608, AB/2/5/1212, MW 7223 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AB 02 05 01212?
AB 02 05 01212 is cataloged in the U.S. Government catalog under NSN 5340-00-237-8276. 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.