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PartsTable / COMPONENT / 7001521
7001521 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PLUG,EXPANSION is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-700-1521, 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
7001521
NSN: 5340-00-700-1521
FSC: 5340
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
special_featuresCD AND CASE WITH FILES FOR RPTK SOFTWARE, RPTK USER MANUAL, RPTK MAINTENANCE MANUAL, RPTK OPERATION REFRESHER INFORMATION, PRINTER DRIVER, ADOBE READER INSTALLATION SOFTWARE
NSN5340-00-700-1521
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7001521 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
•
STYLE DESIGNATOR: CUP
•
HEIGHT: 0.250 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1010
•
MATERIAL THICKNESS: 0.0299 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATORCUP
HEIGHT0.250 INCHES NOMINAL IN
OUTSIDE DIAMETER0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1010
MATERIAL THICKNESS0.0299 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
1929Interchangeable
interchangeable cross-reference
interchangeable
SCD4166-1Interchangeable
interchangeable cross-reference
interchangeable
1621Interchangeable
interchangeable cross-reference
interchangeable
A-200DSInterchangeable
interchangeable cross-reference
interchangeable
KAPPA-B-IV-M2Interchangeable
interchangeable cross-reference
interchangeable
96257Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7001521?
7001521 is a PLUG,EXPANSION.
What parts can replace 7001521?
There are 16 known substitutes for 7001521: 1929, SCD4166-1, 1621 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7001521?
7001521 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-700-1521. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026