PartsTable
Technical Data Sheet
PartsTable / COMPONENT / BK 1.187-6 TRIMLINE
BK 1.187-6 TRIMLINE ✓ 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 BK 1.187-6 TRIMLINE 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 5340-01-409-1707, 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
BK 1.187-6 TRIMLINE
NSN: 5340-01-409-1707
FSC: 5340
CAGE: 15819 — SINCLAIR & RUSH, INC. DBA SINCLAIR & RUSH INC (USA)
SPECIFICATIONS
Part NumberBK 1.187-6 TRIMLINE
NSN5340-01-409-1707
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BK 1.187-6 TRIMLINE 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
•
OVERALL DIAMETER: 38.0 MILLIMETERS NOMINAL MM
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 31.0 MILLIMETERS MAXIMUM MM
•
MATERIAL: PLASTIC, POLYETHYLENE (PP) OR PLASTIC POLYVINYL CHLORIDE (PVC)
•
DESIGN TYPE: FRICTION
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL DIAMETER38.0 MILLIMETERS NOMINAL MM
SPECIAL FEATURESBODY OD 32.0 MM; FLANGE 1.2 MM THK; 10.0 MM O/A HT MM
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED31.0 MILLIMETERS MAXIMUM MM
MATERIALPLASTIC, POLYETHYLENE (PP) OR PLASTIC POLYVINYL CHLORIDE (PVC)
DESIGN TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
32223LUUpgraded Successor
successor cross-reference
successor
ACC-230-UM-208-240VUpgraded Successor
successor cross-reference
successor
76U1-4121-1Upgraded Successor
successor cross-reference
successor
ACCUSET CLOSED SYSTEMUpgraded Successor
successor cross-reference
successor
9210Upgraded Successor
successor cross-reference
successor
2023AS350-1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy BK 1.187-6 TRIMLINE?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BK 1.187-6 TRIMLINE?
BK 1.187-6 TRIMLINE is a BK 1.187-6 TRIMLINE.
What parts can replace BK 1.187-6 TRIMLINE?
There are 6 known substitutes for BK 1.187-6 TRIMLINE: 32223LU, ACC-230-UM-208-240V, 76U1-4121-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BK 1.187-6 TRIMLINE?
BK 1.187-6 TRIMLINE is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-409-1707. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BK 1.187-6 TRIMLINE

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026