PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12299211-1Seal,nonmetallic Special Shaped

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-01-108-5256 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-108-5256 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-108-5256. Primary manufacturer part number: 12299211-1.
Features
  • Seal,nonmetallic Special Shaped — FSC 5330
  • Cross-Sectional Height: 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN
  • Color: BLACKBLACK
  • Material: RUBBER FLUOROSILICONE CLASS FQ OVERALL
  • Style Designator: NON-CIRCULAR
  • Material Document and Classification: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Construction: ONE-PIECEONE-PIECE
  • Outside Corner Bevel Length: 0.440 INCHES NOMINAL0.440 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorosilicone Class Fq Overall construction
General Description

The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-108-5256, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5330-01-108-5256
Primary Part Number12299211-1
Item NameSeal,nonmetallic Special Shaped
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Cross-Sectional Height0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN
ColorBLACKBLACK
MaterialRUBBER FLUOROSILICONE CLASS FQ OVERALL
Style DesignatorNON-CIRCULAR
Material Document and ClassificationMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ConstructionONE-PIECEONE-PIECE
Outside Corner Bevel Length0.440 INCHES NOMINAL0.440 INCHES NOMINAL IN
Cross-Sectional Width0.720 INCHES MINIMUM AND 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM0.750 INCHES MAXIMUM IN
Aperture Width30.030 INCHES MINIMUM AND 30.030 INCHES MINIMUM AND 30.500 INCHES MAXIMUM30.500 INCHES MAXIMUM IN
Cross-Sectional Thickness0.090 INCHES MINIMUM AND 0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM0.120 INCHES MAXIMUM IN
Aperture Length31.030 INCHES MINIMUM AND 31.030 INCHES MINIMUM AND 31.500 INCHES MAXIMUM31.500 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSPECIALSPECIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-01-108-525712299211-3 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
5330-01-497-952512299211-4 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
12299211 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
10086476 Nimikkeistokeskus Ncb Finland (FIN)
12299211-1 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5330-01-108-5257INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
12299211-3
5330-01-497-9525INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
12299211-4

Frequently Asked Questions

What is NSN 5330-01-108-5256?

NSN 5330-01-108-5256 is a Seal,nonmetallic Special Shaped, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-108-5256?

NSN 5330-01-108-5256 has 3 cross-referenced part numbers: 12299211 (U S Army Tank Automotive Command Amsta-Im-Mm), 10086476 (Nimikkeistokeskus Ncb Finland), 12299211-1 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-01-108-5256?

There are 2 known substitutes for 5330-01-108-5256: 5330-01-108-5257, 5330-01-497-9525. Verify interchangeability with system specifications before substitution.

What are the specifications of 12299211-1?

Key specifications for 12299211-1: Cross-Sectional Height: 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN; Color: BLACKBLACK; Material: RUBBER FLUOROSILICONE CLASS FQ OVERALL; Style Designator: NON-CIRCULAR. 13 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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