PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5599496-1Seal,nonmetallic Special Shaped

Lockheed Martin Corporation Div Rotary and Mission Systems · NSN 5330-01-458-5538 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-458-5538 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-458-5538. Primary manufacturer part number: 5599496-1.
Features
  • Seal,nonmetallic Special Shaped — FSC 5330
  • Cross-Sectional Shape Style: RECTANGULAR ONE CORNER RADIUS
  • Aperture Length: 17.840 INCHES NOMINAL IN
  • Aperture Width: 17.840 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,nonmetallic Special Shaped, cataloged under National Stock Number 5330-01-458-5538, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-458-5538
Primary Part Number5599496-1
Item NameSeal,nonmetallic Special Shaped
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rotary and Mission Systems
StatusACTIVE
Cross-Sectional Shape StyleRECTANGULAR ONE CORNER RADIUS
Aperture Length17.840 INCHES NOMINAL IN
Aperture Width17.840 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-100-3144 INTERCHANGEABLE
Cone and Rollers,tapered Roller
5940-00-155-7688502-120 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5342-00-425-0368 INTERCHANGEABLE
Latch,center Uprigh
5136-00-580-735554520 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
5930-00-683-650511065198 INTERCHANGEABLE
Switch,sensitive
Us Army Aviation and Missile Command
1660-00-704-210914124 INTERCHANGEABLE
Parts Kit,valve,fie
Hamilton Sundstrand Corporation Dba Collins Aerospace
2805-00-752-181214124 INTERCHANGEABLE
Valve,poppet,engine
Eaton Corporation
5940-00-954-17211412-4 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5999-01-090-3497810AS1196-6 INTERCHANGEABLE
Wire Mesh,knitted
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4330-01-658-318914124 INTERCHANGEABLE
Filter,fluid,particulate Removal
Crc Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
5599496-1 Naval Sea Systems Command (USA)
5599496-1 PRIMARY Lockheed Martin Corporation Div Rotary and Mission Systems (USA)
14124 Mosites Rubber Company, Inc (USA)
Related Parts
3110-00-100-3144INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
5940-00-155-7688INTERCHANGEABLE
TERMINAL,LUG
502-120
5342-00-425-0368INTERCHANGEABLE
LATCH,CENTER UPRIGH
5136-00-580-7355INTERCHANGEABLE
TAP,THREAD CUTTING
54520
5930-00-683-6505INTERCHANGEABLE
SWITCH,SENSITIVE
11065198
1660-00-704-2109INTERCHANGEABLE
PARTS KIT,VALVE,FIE
14124
2805-00-752-1812INTERCHANGEABLE
VALVE,POPPET,ENGINE
14124
5940-00-954-1721INTERCHANGEABLE
TERMINAL,LUG
1412-4
5999-01-090-3497INTERCHANGEABLE
WIRE MESH,KNITTED
810AS1196-6
4330-01-658-3189INTERCHANGEABLE
FILTER,FLUID,PARTICULATE REMOVAL
14124

Frequently Asked Questions

What is NSN 5330-01-458-5538?

NSN 5330-01-458-5538 is a Seal,nonmetallic Special Shaped, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-458-5538?

NSN 5330-01-458-5538 has 3 cross-referenced part numbers: 5599496-1 (Naval Sea Systems Command), 5599496-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 14124 (Mosites Rubber Company, Inc).

What NSN replaces 5330-01-458-5538?

There are 10 known substitutes for 5330-01-458-5538: 3110-00-100-3144, 5940-00-155-7688, 5342-00-425-0368 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5599496-1?

Key specifications for 5599496-1: Cross-Sectional Shape Style: RECTANGULAR ONE CORNER RADIUS; Aperture Length: 17.840 INCHES NOMINAL IN; Aperture Width: 17.840 INCHES NOMINAL IN. 3 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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