PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P21APliers,retaining Ring

Stanley Industrial & Automotive Llc · NSN 5120-01-511-5449 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-511-5449 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-511-5449. Primary manufacturer part number: P21A.
Features
  • Pliers,retaining Ring — FSC 5120
  • Pliers Style Designator: SNAP RING, FORMED TIPS
  • 1 verified cross-reference
  • Primary manufacturer: Stanley Industrial & Automotive Llc
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Pliers,retaining Ring, cataloged under National Stock Number 5120-01-511-5449, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Stanley Industrial & Automotive Llc. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-511-5449
Primary Part NumberP21A
Item NamePliers,retaining Ring
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerStanley Industrial & Automotive Llc
StatusACTIVE
Pliers Style DesignatorSNAP RING, FORMED TIPS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-188-2732MS19059-4846 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5930-00-622-32467865-305-1SREVAPC5 INTERCHANGEABLE
Switch,rotary
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
P21A PRIMARY Stanley Industrial & Automotive Llc (USA)
Related Parts
3110-00-188-2732INTERCHANGEABLE
BALL,BEARING
MS19059-4846
5930-00-622-3246INTERCHANGEABLE
SWITCH,ROTARY
7865-305-1SREVAPC5

Frequently Asked Questions

What is NSN 5120-01-511-5449?

NSN 5120-01-511-5449 is a Pliers,retaining Ring, manufactured by Stanley Industrial & Automotive Llc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-511-5449?

NSN 5120-01-511-5449 has 1 cross-referenced part number: P21A (Stanley Industrial & Automotive Llc).

What NSN replaces 5120-01-511-5449?

There are 2 known substitutes for 5120-01-511-5449: 3110-00-188-2732, 5930-00-622-3246. Verify interchangeability with system specifications before substitution.

What are the specifications of P21A?

Key specifications for P21A: Special Features: COMFORT GRIP HANDLES; 1-1/2 IN. JAW CAPACITY IN; Overall Length: 9.000 INCHES NOMINAL IN; Pliers Style Designator: SNAP RING, FORMED TIPS. 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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