PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

LS5257Nonmetallic Special Shaped Secti

Lockheed Martin Corp · NSN 9390-00-585-2291 · FSC 9390 · No Item Name Available
Verified by PartsTable
NSN 9390-00-585-2291 — this item is cataloged by the U.S. Government under National Stock Number 9390-00-585-2291. Primary manufacturer part number: LS5257.
Features
  • Nonmetallic Special Shaped Secti — FSC 9390
  • Length: 120.000 INCHES NOMINAL IN
  • First Slot/groove Width: 0.187 INCHES NOMINAL IN
  • Base Flange Thickness: 0.125 INCHES NOMINAL IN
  • Nonmetallic Hardness Rating: 55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
  • Minimum Tensile Strength: ERR-060
  • Base Flange Width: 0.438 INCHES NOMINAL IN
  • Temp Rating: -85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Nonmetallic Special Shaped Secti, cataloged under National Stock Number 9390-00-585-2291, is classified within Federal Supply Class 9390 (No Item Name Available) of the Nonmetallic Fabricated Materials group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 9 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN9390-00-585-2291
Primary Part NumberLS5257
Item NameNonmetallic Special Shaped Secti
FSC / FSG9390 / 93 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Length120.000 INCHES NOMINAL IN
First Slot/groove Width0.187 INCHES NOMINAL IN
Base Flange Thickness0.125 INCHES NOMINAL IN
Nonmetallic Hardness Rating55.0 MINIMUM SHORE DUROMETER A AND 65.0 MAXIMUM SHORE DUROMETER A
Minimum Tensile StrengthERR-060
Base Flange Width0.438 INCHES NOMINAL IN
Temp Rating-85.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
Inside Radius0.170 INCHES NOMINAL IN
Outside Radius0.260 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-052-56007024 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
3040-00-126-42177024 INTERCHANGEABLE
Pawl
Telemechanics Inc
6230-00-242-6420 INTERCHANGEABLE
Floodlight Set,electric
4730-00-278-83681F1344 INTERCHANGEABLE
Inverted Nut,tube Coupling
Caterpillar Inc Div Caterpillar Defense
2995-00-289-7426C7024 INTERCHANGEABLE
Control Assembly,push-Pull
Triumph Controls, Llc Dba Triumph Controls, Llc
2910-00-360-8040 INTERCHANGEABLE
Valve Choke Asy
5365-00-573-29706420-4 INTERCHANGEABLE
Ring,lock,keyed
Howmet Global Fastening Systems Inc Div Rosan Products
2530-01-004-23923637866 INTERCHANGEABLE
Rotor Assembly,disc Brake
Chrysler Corp Service and Parts Opns
5950-01-021-1122986144-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5930-01-154-059007024 INTERCHANGEABLE
Switch,pressure
Schneider Metal Mfg Co Inc Ross Temp Div
Cross-Reference Index
Part NumberManufacturer
7024 Kirkhill Ta Haskon Div (USA)
7024 Kirkhill Inc Div Kirkhill Inc, Haskon Division (USA)
LS5257 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5935-00-052-5600INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7024
3040-00-126-4217INTERCHANGEABLE
PAWL
7024
6230-00-242-6420INTERCHANGEABLE
FLOODLIGHT SET,ELECTRIC
4730-00-278-8368INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
1F1344
2995-00-289-7426INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
C7024
2910-00-360-8040INTERCHANGEABLE
VALVE CHOKE ASY
5365-00-573-2970INTERCHANGEABLE
RING,LOCK,KEYED
6420-4
2530-01-004-2392INTERCHANGEABLE
ROTOR ASSEMBLY,DISC BRAKE
3637866
5950-01-021-1122INTERCHANGEABLE
REACTOR
986144-1
5930-01-154-0590INTERCHANGEABLE
SWITCH,PRESSURE
07024
5950-01-216-9098INTERCHANGEABLE
COIL,RADIO FREQUENCY
575R590H24
6210-01-221-5905INTERCHANGEABLE
FIXTURE,LIGHTING

Frequently Asked Questions

What is NSN 9390-00-585-2291?

NSN 9390-00-585-2291 is a Nonmetallic Special Shaped Secti, manufactured by Lockheed Martin Corp, classified under FSC 9390 (No Item Name Available). Status: active.

What are the part numbers for NSN 9390-00-585-2291?

NSN 9390-00-585-2291 has 3 cross-referenced part numbers: 7024 (Kirkhill Ta Haskon Div), 7024 (Kirkhill Inc Div Kirkhill Inc, Haskon Division), LS5257 (Lockheed Martin Corp).

What NSN replaces 9390-00-585-2291?

There are 12 known substitutes for 9390-00-585-2291: 5935-00-052-5600, 3040-00-126-4217, 6230-00-242-6420 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of LS5257?

Key specifications for LS5257: Length: 120.000 INCHES NOMINAL IN; First Slot/groove Width: 0.187 INCHES NOMINAL IN; Base Flange Thickness: 0.125 INCHES NOMINAL IN; Special Features: MATT: RUBBER, LAC 23-925, LOCKHEED AIRCRAFT CORP. 11 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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