PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12299211-3Seal,nonmetallic Special Shaped

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5330-01-108-5257 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-108-5257 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-108-5257. Primary manufacturer part number: 12299211-3.
Features
  • Seal,nonmetallic Special Shaped — FSC 5330
  • Style Designator: NON-CIRCULAR
  • Cross-Sectional Shape Style: SPECIALSPECIAL
  • Cross-Sectional Height: 0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN
  • Minor Height: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
  • Aperture Width: 12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
  • Aperture Length: 8.000 INCHES NOMINAL8.000 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 5330-01-108-5257, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-108-5257
Primary Part Number12299211-3
Item NameSeal,nonmetallic Special Shaped
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Style DesignatorNON-CIRCULAR
Cross-Sectional Shape StyleSPECIALSPECIAL
Cross-Sectional Height0.560 INCHES NOMINAL0.560 INCHES NOMINAL IN
Minor Height0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
Aperture Width12.000 INCHES NOMINAL12.000 INCHES NOMINAL IN
Cross-Sectional Thickness0.120 INCHES NOMINAL0.120 INCHES NOMINAL IN
Aperture Length8.000 INCHES NOMINAL8.000 INCHES NOMINAL IN
MaterialRUBBER FLUOROSILICONE CLASS FQ OVERALL
ConstructionSOLIDSOLID
Cross-Sectional Width0.750 INCHES NOMINAL0.750 INCHES NOMINAL IN
Outside Corner Bevel Length0.440 INCHES NOMINAL0.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5331-00-224-4699429559PC16 INTERCHANGEABLE
O-Ring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-00-843-0939C3663-1 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
3120-00-892-1865 INTERCHANGEABLE
Bearing,sleeve
8105-01-099-035511-137 INTERCHANGEABLE
Envelope,drug Dispensing
Omega Electronics
5330-01-108-525612299211-1 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
5307-01-157-194511137 INTERCHANGEABLE
Stud,plain
Westerbeke Corporation
4320-01-200-4306C219 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
5365-01-283-540811137 INTERCHANGEABLE
Plug,machine Thread
Usi Inc
5340-01-321-8665BE11137 INTERCHANGEABLE
Clamp,loop
Haldex Brake Products Corporation
9925-01-450-715711137 INTERCHANGEABLE
Bible,new Testament,spanish
Biblica Us, Inc. Dba International Bible Society
Cross-Reference Index
Part NumberManufacturer
12299211 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
11137 Corry Rubber Corporation (USA)
10086477 Nimikkeistokeskus Ncb Finland (FIN)
12299211-3 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5331-00-224-4699INTERCHANGEABLE
O-RING
429559PC16
5950-00-843-0939INTERCHANGEABLE
TRANSFORMER,POWER
C3663-1
3120-00-892-1865INTERCHANGEABLE
BEARING,SLEEVE
8105-01-099-0355INTERCHANGEABLE
ENVELOPE,DRUG DISPENSING
11-137
5330-01-108-5256INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
12299211-1
5307-01-157-1945INTERCHANGEABLE
STUD,PLAIN
11137
4320-01-200-4306INTERCHANGEABLE
RING,WEARING
C219
5365-01-283-5408INTERCHANGEABLE
PLUG,MACHINE THREAD
11137
5340-01-321-8665INTERCHANGEABLE
CLAMP,LOOP
BE11137
9925-01-450-7157INTERCHANGEABLE
BIBLE,NEW TESTAMENT,SPANISH
11137
5330-01-497-9525INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
12299211-4

Frequently Asked Questions

What is NSN 5330-01-108-5257?

NSN 5330-01-108-5257 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 5330-01-108-5257?

NSN 5330-01-108-5257 has 4 cross-referenced part numbers: 12299211 (U S Army Tank Automotive Command Amsta-Im-Mm), 11137 (Corry Rubber Corporation), 10086477 (Nimikkeistokeskus Ncb Finland), 12299211-3 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5330-01-108-5257?

There are 11 known substitutes for 5330-01-108-5257: 5331-00-224-4699, 5950-00-843-0939, 3120-00-892-1865 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12299211-3?

Key specifications for 12299211-3: Style Designator: NON-CIRCULAR; End Item Identification: CARRIER,MLRS; MODEL NO. XM993,NSN2350-01-091-5405; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)CARRIER,MLRS; MODEL NO. XM993,NSN2350-01-091-5405; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); Cross-Sectional Shape Style: SPECIALSPECIAL; Cross-Sectional Height: 0.560 INCHES NOMINAL0.560 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.
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