PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BAC1521-267Nonmetallic Special Shaped Secti

The Boeing Company Div Defense · NSN 9390-00-550-6702 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-550-6702 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-550-6702. Primary manufacturer part number: BAC1521-267.
Features
  • Nonmetallic Special Shaped Secti — FSC 9390
  • Cross-Sectional Shape Style: ARCH SHAPE, HOLLOW CORE
  • Minimum Tensile Strength: ERR-060
  • Environmental Protection: FUEL, AROMATIC AND OIL RESISTANT AND LOW TEMPERATURE AND OZONE RESISTANT AND WEATHER RESISTANT
  • Inside Radius: 0.120 INCHES NOMINAL IN
  • Aperture Height: 0.150 INCHES NOMINAL IN
  • Material: RUBBER
  • Aperture Width: 0.240 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber construction
General Description

The Nonmetallic Special Shaped Secti, cataloged under National Stock Number 9390-00-550-6702, is classified within Federal Supply Class 9390 (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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 7 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
NSN9390-00-550-6702
Primary Part NumberBAC1521-267
Item NameNonmetallic Special Shaped Secti
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Cross-Sectional Shape StyleARCH SHAPE, HOLLOW CORE
Minimum Tensile StrengthERR-060
Environmental ProtectionFUEL, AROMATIC AND OIL RESISTANT AND LOW TEMPERATURE AND OZONE RESISTANT AND WEATHER RESISTANT
Inside Radius0.120 INCHES NOMINAL IN
Aperture Height0.150 INCHES NOMINAL IN
MaterialRUBBER
Aperture Width0.240 INCHES NOMINAL IN
Base Flange Thickness0.050 INCHES NOMINAL IN
Outside Radius0.170 INCHES NOMINAL IN
Nonmetallic Hardness Rating35.0 MINIMUM SHORE DUROMETER AND 45.0 MAXIMUM SHORE DUROMETER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-180-5444305-4A INTERCHANGEABLE
Disk,valve
Magnatrol Valve Corp Div Clark-Cooper
4320-00-473-30693054-A INTERCHANGEABLE
Ring,lantern
Naval Inventory Control Point Mechanicsburg
5315-01-011-7152N149 INTERCHANGEABLE
Key,machine
Circor Naval Solutions Llc Dba Warren Pumps
9320-01-020-3544BMS 1-11 INTERCHANGEABLE
Rubber Sheet,solid
The Boeing Company Div Defense
9320-01-075-5559N-149 INTERCHANGEABLE
Rubber Sheet,solid
Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites
4920-01-146-2129TMS-001 INTERCHANGEABLE
Automatic Data Acquisition and C
Amentum Environment & Energy, Inc.
5330-01-608-2020N-1-4-9 INTERCHANGEABLE
Seal,plain
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
SR-529A-40 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
BAC1521-267 PRIMARY The Boeing Company Div Defense (USA)
40-E-17 West American Rubber Company, Llc. Dba West American Rubber Co Llc (USA)
2540-C-1182 Kirkhill, Inc. Dba Kirkhill Inc (USA)
BMS1-11 The Boeing Company Div Defense (USA)
COMPOUND 2-0300 The Boeing Company Div Defense (USA)
N-149 New Idria Inc Huntington Rubber Co Div (USA)
N-149 Meggitt Oregon Inc Dba Meggitt Oregon Inc Div Meggitt Polymers & Composites (USA)
R/C 1943 Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
3054-A Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
COMPOUND 2-0347 The Boeing Company Div Defense (USA)
Related Parts
4820-00-180-5444INTERCHANGEABLE
DISK,VALVE
305-4A
4320-00-473-3069INTERCHANGEABLE
RING,LANTERN
3054-A
5315-01-011-7152INTERCHANGEABLE
KEY,MACHINE
N149
9320-01-020-3544INTERCHANGEABLE
RUBBER SHEET,SOLID
BMS 1-11
9320-01-075-5559INTERCHANGEABLE
RUBBER SHEET,SOLID
N-149
4920-01-146-2129INTERCHANGEABLE
AUTOMATIC DATA ACQUISITION AND C
TMS-001
5330-01-608-2020INTERCHANGEABLE
SEAL,PLAIN
N-1-4-9

Frequently Asked Questions

What is NSN 9390-00-550-6702?

NSN 9390-00-550-6702 is a Nonmetallic Special Shaped Secti, manufactured by The Boeing Company Div Defense, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-550-6702?

NSN 9390-00-550-6702 has 11 cross-referenced part numbers: SR-529A-40 (Stillman Seal Corporation Div Stillman Seal Corperation), BAC1521-267 (The Boeing Company Div Defense), 40-E-17 (West American Rubber Company, Llc. Dba West American Rubber Co Llc), 2540-C-1182 (Kirkhill, Inc. Dba Kirkhill Inc), BMS1-11 (The Boeing Company Div Defense) and 6 more.

What NSN replaces 9390-00-550-6702?

There are 7 known substitutes for 9390-00-550-6702: 4820-00-180-5444, 4320-00-473-3069, 5315-01-011-7152 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BAC1521-267?

Key specifications for BAC1521-267: Cross-Sectional Shape Style: ARCH SHAPE, HOLLOW CORE; Minimum Tensile Strength: ERR-060; Environmental Protection: FUEL, AROMATIC AND OIL RESISTANT AND LOW TEMPERATURE AND OZONE RESISTANT AND WEATHER RESISTANT; Inside Radius: 0.120 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com