PartsTable
Technical Data Sheet
PartsTable / MRO / 21-505
21-505 ✓ Verified by PartsTable
Legrand · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
SAS cables have specific lane counts: 4i (internal) or 4e (external) Cable length matters — too short won't reach, too long creates clutter
Verify connector type on BOTH ends — many SAS cables are asymmetric
PRODUCT OVERVIEW

Hand-painted with lovingly detailed modelling. Black Widow is a spy who is fighting for justice at the side of Captain America.<br><br>Hand-painted with lovingly detailed modelling. Black Widow is fighting at the side of Captain America.

She’s a professional spy and fighter. She uses her two special bracelets to release the “widow’s bite” to protect her against villains. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-364-0768, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 21-505
NSN: 5999-00-364-0768
FSC: 5999
CAGE: 15605 — EATON CORP OPNS & TECHNICAL CENTER (USA)
SPECIFICATIONS
special_featuresCROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200
NSN5999-00-364-0768
COMPONENT DIAGRAM
CONN A SFF-8482 CONN B SFF-8087 LENGTH: SAS CABLE ASSEMBLY | SFF-8482 to SFF-8087 Cable length: | SAS | Shielded TITLE CABLE ASSY PN 21-505 MFR Legrand ARRESTER,ELECTRICAL SURGE
KEY FEATURES
•
GOVERNMENT AGENCY CONTROLLING CONTACT: USN
•
CONTACT ITEM NAME ASSIGNED BY GOVERNMENT AGENCY: CONTACT ASSY
•
STRUCTURAL DESIGN: NONSWITCHING
•
PRECIOUS MATERIAL: SILVER
•
CONTACT IDENTIFYING NUMBER ASSIGNED BY GOVERNMENT AGENCY: 21-505
•
PRECIOUS MATERIAL AND WEIGHT: 0.005 SILVER GRAINS, TROY
TECHNICAL CHARACTERISTICS (FLIS)
GOVERNMENT AGENCY CONTROLLING CONTACTUSN
CONTACT ITEM NAME ASSIGNED BY GOVERNMENT AGENCYCONTACT ASSY
STRUCTURAL DESIGNNONSWITCHING
PRECIOUS MATERIALSILVER
CONTACT IDENTIFYING NUMBER ASSIGNED BY GOVERNMENT AGENCY21-505
OVERALL HEIGHT0.156 INCHES NOMINAL IN
OVERALL WIDTH0.312 INCHES NOMINAL IN
PRECIOUS MATERIAL AND WEIGHT0.005 SILVER GRAINS, TROY
PRECIOUS MATERIAL AND LOCATIONCONTACTS SILVER
CONTACT QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
21505Upgraded Successor
successor cross-reference
successor
2/1505Interchangeable
interchangeable cross-reference
interchangeable
FDE474 PAGE 7 ITEM 22Interchangeable
interchangeable cross-reference
interchangeable
02-1305-00Interchangeable
interchangeable cross-reference
interchangeable
23211P-01Interchangeable
interchangeable cross-reference
interchangeable
66B839Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-505?
21-505 is a ARRESTER,ELECTRICAL SURGE manufactured by Legrand. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21-505?
There are 12 known substitutes for 21-505: 21505, 2/1505, FDE474 PAGE 7 ITEM 22 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21-505?
21-505 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-00-364-0768. 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