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A-4453 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-4453: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER BODY, style_designator: THRU-HOLE, EXPANDABLE, material_thickness: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN, material_document_and_classification: SS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-137-3854, 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
A-4453
NSN: 5340-01-137-3854
FSC: 5340 — Hardware, Commercial
CAGE: 07058 — AIREX RUBBER PRODUCTS CORPORATION DBA AIREX RUBBER PRODUCTS CORP (USA)
SPECIFICATIONS
materialRUBBER BODY
style_designatorTHRU-HOLE, EXPANDABLE
material_thickness0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
material_document_and_classificationSS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY
NSN5340-01-137-3854
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-4453 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
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
MATERIAL THICKNESS: 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BODY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
MATERIAL DOCUMENT AND CLASSIFICATIONSS9529 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL THICKNESS0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
MATERIALRUBBER 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 1
70400-02801-102Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A-4453?
A-4453 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace A-4453?
There is 1 known substitute for A-4453: 70400-02801-102. Substitute compatibility should be verified for your specific system.
What is the NSN for A-4453?
A-4453 is cataloged in the U.S. Government catalog under NSN 5340-01-137-3854. 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.