PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121491Rod,straight,headless

Lockheed Martin Corp · NSN 5340-01-109-1667 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-109-1667 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-109-1667. Primary manufacturer part number: 121491.
Features
  • Rod,straight,headless — FSC 5340
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 1 verified cross-reference
  • Primary manufacturer: Lockheed Martin Corp
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Rod,straight,headless, cataloged under National Stock Number 5340-01-109-1667, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-109-1667
Primary Part Number121491
Item NameRod,straight,headless
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
3110-00-100-36846067 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5950-00-484-526512149-1 INTERCHANGEABLE
Transformer,power
Drs Advanced Isr, Llc
5365-01-208-6881121491 INTERCHANGEABLE
Plug,machine Thread
Meggitt North Hollywood Inc
5970-01-607-112712149-1 INTERCHANGEABLE
Insulation Sleeving,electrical
Terex Usa, Llc Dba Terex Usa, Llc
Cross-Reference Index
Part NumberManufacturer
121491 Lockheed Martin Corp (USA)
Related Parts
3110-00-100-3684INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
6067
5950-00-484-5265INTERCHANGEABLE
TRANSFORMER,POWER
12149-1
5365-01-208-6881INTERCHANGEABLE
PLUG,MACHINE THREAD
121491
5970-01-607-1127INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
12149-1

Frequently Asked Questions

What is NSN 5340-01-109-1667?

NSN 5340-01-109-1667 is a Rod,straight,headless, manufactured by Lockheed Martin Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-109-1667?

NSN 5340-01-109-1667 has 1 cross-referenced part number: 121491 (Lockheed Martin Corp).

What NSN replaces 5340-01-109-1667?

There are 4 known substitutes for 5340-01-109-1667: 3110-00-100-3684, 5950-00-484-5265, 5365-01-208-6881 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121491?

Key specifications for 121491: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 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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