PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-145-9Rubber Strip

Baywood Mfg Co · NSN 5330-01-355-8903 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-355-8903 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-355-8903. Primary manufacturer part number: B-145-9.
Features
  • Rubber Strip — FSC 5330
  • Nonmetallic Hardness Rating: 30.0 NOMINAL SHORE DUROMETER A
  • Material Document and Classification: MIL-R-1149, TYPE 1, CLASS 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • Length: 6.000 FEET NOMINAL FT
  • 3 verified cross-references
  • Primary manufacturer: Baywood Mfg Co
Applications
  • Applications requiring Rubber Isobutylene-Isoprene Class Iir construction
General Description

The Rubber Strip, cataloged under National Stock Number 5330-01-355-8903, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Baywood Mfg Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-355-8903
Primary Part NumberB-145-9
Item NameRubber Strip
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerBaywood Mfg Co
StatusACTIVE
Nonmetallic Hardness Rating30.0 NOMINAL SHORE DUROMETER A
Material Document and ClassificationMIL-R-1149, TYPE 1, CLASS 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Length6.000 FEET NOMINAL FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-239-3665 INTERCHANGEABLE
Switch,push
4730-00-850-1381 INTERCHANGEABLE
Fitting,lubrication
Cross-Reference Index
Part NumberManufacturer
B-145-9 Baywood Mfg Co (USA)
407C Baywood Mfg Co (USA)
B-145-18 Baywood Mfg Co (USA)
Related Parts
5930-00-239-3665INTERCHANGEABLE
SWITCH,PUSH
4730-00-850-1381INTERCHANGEABLE
FITTING,LUBRICATION

Frequently Asked Questions

What is NSN 5330-01-355-8903?

NSN 5330-01-355-8903 is a Rubber Strip, manufactured by Baywood Mfg Co, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-355-8903?

NSN 5330-01-355-8903 has 3 cross-referenced part numbers: B-145-9 (Baywood Mfg Co), 407C (Baywood Mfg Co), B-145-18 (Baywood Mfg Co).

What NSN replaces 5330-01-355-8903?

There are 2 known substitutes for 5330-01-355-8903: 5930-00-239-3665, 4730-00-850-1381. Verify interchangeability with system specifications before substitution.

What are the specifications of B-145-9?

Key specifications for B-145-9: Nonmetallic Hardness Rating: 30.0 NOMINAL SHORE DUROMETER A; Material Document and Classification: MIL-R-1149, TYPE 1, CLASS 3-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR; Length: 6.000 FEET NOMINAL FT. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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