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PartsTable / MRO / 401002
401002 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The FUSE,INDICATOR ALARM is a Legrand industrial component. Key specifications include end_item_identification: TELETYPE PRINTER M-40. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-444-7553, 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
MRO→ MRO_GENERAL→ 401002
NSN: 5340-00-444-7553
FSC: 5340
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
end_item_identificationTELETYPE PRINTER M-40
NSN5340-00-444-7553
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 401002 MFR: Legrand ⚠ 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: FED STD 66 FED STD SINGLE MATERIAL RESPONSE
•
LENGTH: 1.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66 FED STD SINGLE MATERIAL RESPONSE
LENGTH1.000 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
401002Interchangeable
interchangeable cross-reference
interchangeable
KBH2501Interchangeable
interchangeable cross-reference
interchangeable
KBPC25-005PInterchangeable
interchangeable cross-reference
interchangeable
AA55509-009Interchangeable
interchangeable cross-reference
interchangeable
264-0605-00Interchangeable
interchangeable cross-reference
interchangeable
6920011670953Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401002?
401002 is a FUSE,INDICATOR ALARM manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 401002?
There are 6 known substitutes for 401002: 401002, KBH2501, KBPC25-005P and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 401002?
401002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-444-7553. 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