PartsTable
Technical Data Sheet
PartsTable / MRO / 21691
21691 ✓ Verified by PartsTable
Lindy · 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

The BOOT,DUST AND MOISTURE SEAL is a Lindy industrial component. Key specifications include part_name_assigned_by_controlling_agency: BTM DEPLOYABLE CHEST DECOMPRESSION KIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-234-1804, 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→ 21691
NSN: 5998-00-234-1804
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 99251 — MISSION SYSTEMS DAVENPORT INC. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBTM DEPLOYABLE CHEST DECOMPRESSION KIT
NSN5998-00-234-1804
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 21691 MFR Lindy BOOT,DUST AND MOISTURE SEAL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.050 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFSC APPLICATION DATA: INDICATOR,ATTITUDE
OVERALL HEIGHT1.700 INCHES NOMINAL IN
SPECIAL FEATURESCAPACITOR 2,PRINTED WIRING BOARD 1,RESISTOR 4,DIODE 2
OVERALL LENGTH2.050 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYFSC APPLICATION DATA: INDICATOR,ATTITUDE
OVERALL HEIGHT1.700 INCHES NOMINAL IN
SPECIAL FEATURESCAPACITOR 2,PRINTED WIRING BOARD 1,RESISTOR 4,DIODE 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40-003252-01Upgraded Successor
successor cross-reference
successor
538622-90Upgraded Successor
successor cross-reference
successor
10105Upgraded Successor
successor cross-reference
successor
17086Interchangeable
interchangeable cross-reference
interchangeable
21691Interchangeable
interchangeable cross-reference
interchangeable
21242Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21691?
21691 is a BOOT,DUST AND MOISTURE SEAL manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21691?
There are 8 known substitutes for 21691: 40-003252-01, 538622-90, 10105 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21691?
21691 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-00-234-1804. 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