PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5154-3Cover,seat Back,pilot

Lockheed Martin Corp · NSN 1680-00-279-3674 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-00-279-3674 — this item is cataloged by the U.S. Government under National Stock Number 1680-00-279-3674. Primary manufacturer part number: 5154-3.
Features
  • Cover,seat Back,pilot — FSC 1680
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,seat Back,pilot, cataloged under National Stock Number 1680-00-279-3674, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Lockheed Martin Corp. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-00-279-3674
Primary Part Number5154-3
Item NameCover,seat Back,pilot
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2810-00-118-170451543 INTERCHANGEABLE
Gasket,carburetor a
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5331-00-165-1944AS3209-225 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5961-00-458-68665-154-3 INTERCHANGEABLE
Semiconductor Device,diode
Bird Electronic Corporation Div Bird Electronic Corp
1650-00-486-184551543 INTERCHANGEABLE
Contact-Stationary
Goodrich Corporation Dba Goodrich Corp
5977-00-521-8272SM-C-314890 INTERCHANGEABLE
Brush,electrical Contact
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4420-01-464-173951543 INTERCHANGEABLE
Reservoir Assembly,
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
5154-3 Hardman Aircraft Inc (USA)
5154-3 Williams Aerospace & Manufacturing Inc (USA)
11-81342 The Conrad Company Dba Conrad Co (USA)
5154-3 PRIMARY Lockheed Martin Corp (USA)
Related Parts
2810-00-118-1704INTERCHANGEABLE
GASKET,CARBURETOR A
51543
5331-00-165-1944INTERCHANGEABLE
O-RING
AS3209-225
5961-00-458-6866INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5-154-3
1650-00-486-1845INTERCHANGEABLE
CONTACT-STATIONARY
51543
5977-00-521-8272INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
SM-C-314890
4420-01-464-1739INTERCHANGEABLE
RESERVOIR ASSEMBLY,
51543

Frequently Asked Questions

What is NSN 1680-00-279-3674?

NSN 1680-00-279-3674 is a Cover,seat Back,pilot, manufactured by Lockheed Martin Corp, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-00-279-3674?

NSN 1680-00-279-3674 has 4 cross-referenced part numbers: 5154-3 (Hardman Aircraft Inc), 5154-3 (Williams Aerospace & Manufacturing Inc), 11-81342 (The Conrad Company Dba Conrad Co), 5154-3 (Lockheed Martin Corp).

What NSN replaces 1680-00-279-3674?

There are 6 known substitutes for 1680-00-279-3674: 2810-00-118-1704, 5331-00-165-1944, 5961-00-458-6866 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5154-3?

Key specifications for 5154-3: End Item Identification: ACFT SET. 1 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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