PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BMS1-57 GRADE 50Rubber Sheet,solid

The Boeing Company Div Defense · NSN 9320-00-758-6709 · FSC 9320 · No Item Name Available
Verified by PartsTable
NSN 9320-00-758-6709 — this item is cataloged by the U.S. Government under National Stock Number 9320-00-758-6709. Primary manufacturer part number: BMS1-57 GRADE 50.
Features
  • Rubber Sheet,solid — FSC 9320
  • Nonmetallic Hardness Rating: 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
  • Specification/standard Data: 81205-BMS 1-57 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Condition: SMOOTH BOTH SIDES
  • Material: RUBBER LOCATION NOT OTHERWISE SPECIFIED
  • Color: GRAY/GREY BOTH SIDES
  • Environmental Protection: LOW TEMPERATURE AND WEATHER RESISTANT
  • Material Document and Classification: BMS1-57, GRADE 50, THE BOEING CO MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Applications requiring Rubber Location Not Otherwise Specified construction
General Description

The Rubber Sheet,solid, cataloged under National Stock Number 9320-00-758-6709, is classified within Federal Supply Class 9320 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9320-00-758-6709
Primary Part NumberBMS1-57 GRADE 50
Item NameRubber Sheet,solid
FSC / FSG9320 / 93 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Nonmetallic Hardness Rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
Specification/standard Data81205-BMS 1-57 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface ConditionSMOOTH BOTH SIDES
MaterialRUBBER LOCATION NOT OTHERWISE SPECIFIED
ColorGRAY/GREY BOTH SIDES
Environmental ProtectionLOW TEMPERATURE AND WEATHER RESISTANT
Material Document and ClassificationBMS1-57, GRADE 50, THE BOEING CO MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
Length36.000 INCHES NOMINAL IN
Width36.000 INCHES NOMINAL IN
Minimum Tensile StrengthERR-060
Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
9320-00-433-5910 INTERCHANGEABLE
Rubber Strip
2910-00-646-9726 INTERCHANGEABLE
Parts Kit,metering and Distribut
5970-00-729-29691755602 INTERCHANGEABLE
Insulation Sleeving,electrical
Naval Ship Systems Command
9320-01-081-2651 INTERCHANGEABLE
Rubber Sheet,solid
9320-01-124-3311 INTERCHANGEABLE
Rubber Strip
9320-01-129-0872 INTERCHANGEABLE
Rubber Strip
5330-01-614-9346S2357 INTERCHANGEABLE
Packing,preformed
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
CE-5548U Momentive Performance Materials Inc. (USA)
BMS1-57 The Boeing Company Div Defense (USA)
S-2357 Dow Silicones Corporation (USA)
BMS1-57 GRADE 50 PRIMARY The Boeing Company Div Defense (USA)
SE-5563U Momentive Performance Materials Inc. (USA)
BMS1-57M The Boeing Company Div Defense (USA)
S-2557 Dow Silicones Corporation (USA)
Related Parts
9320-00-433-5910INTERCHANGEABLE
RUBBER STRIP
2910-00-646-9726INTERCHANGEABLE
PARTS KIT,METERING AND DISTRIBUT
5970-00-729-2969INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
1755602
9320-01-081-2651INTERCHANGEABLE
RUBBER SHEET,SOLID
9320-01-124-3311INTERCHANGEABLE
RUBBER STRIP
9320-01-129-0872INTERCHANGEABLE
RUBBER STRIP
5330-01-614-9346INTERCHANGEABLE
PACKING,PREFORMED
S2357

Frequently Asked Questions

What is NSN 9320-00-758-6709?

NSN 9320-00-758-6709 is a Rubber Sheet,solid, manufactured by The Boeing Company Div Defense, classified under FSC 9320 (No Item Name Available). Status: active.

What are the part numbers for NSN 9320-00-758-6709?

NSN 9320-00-758-6709 has 7 cross-referenced part numbers: CE-5548U (Momentive Performance Materials Inc.), BMS1-57 (The Boeing Company Div Defense), S-2357 (Dow Silicones Corporation), BMS1-57 GRADE 50 (The Boeing Company Div Defense), SE-5563U (Momentive Performance Materials Inc.) and 2 more.

What NSN replaces 9320-00-758-6709?

There are 7 known substitutes for 9320-00-758-6709: 9320-00-433-5910, 2910-00-646-9726, 5970-00-729-2969 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BMS1-57 GRADE 50?

Key specifications for BMS1-57 GRADE 50: Nonmetallic Hardness Rating: 45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A; Special Features: SMOOTH FINISH; Specification/standard Data: 81205-BMS 1-57 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Condition: SMOOTH BOTH SIDES. 12 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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