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12257222 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12257222: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-039-8372, 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
12257222
NSN: 5340-01-039-8372
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC BODY
material_document_and_classificationMIL-R-3065,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-STD-417,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE BODY
NSN5340-01-039-8372
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12257222 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
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-STD-417,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE BODY
•
MATERIAL: RUBBER SYNTHETIC BODY
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-STD-417,GRADE SC 715,TYPE A1B1C1F2 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALRUBBER SYNTHETIC BODY
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 2
5340010398372Reference document
Same NSN cross-reference
Reference document — Informative reference only
5975010398372Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 12257222?
12257222 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace 12257222?
There are 2 known substitutes for 12257222: 5340010398372, 5975010398372. Substitute compatibility should be verified for your specific system.
What is the NSN for 12257222?
12257222 is cataloged in the U.S. Government catalog under NSN 5340-01-039-8372. 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.