PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11557-3Clip,spring Tension

Attwood Corp · NSN 5340-01-434-1338 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-434-1338 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-434-1338. Primary manufacturer part number: 11557-3.
Features
  • Clip,spring Tension — FSC 5340
  • Width: 20.0 MILLIMETERS NOMINAL MM
  • Hole Diameter: 3.9 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM
  • Style Designator: STANDOFF
  • Material: STEEL COMP 302 OR STEEL COMP 304 OVERALL
  • Material Document and Classification: ASTM A666 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Length: 45.0 MILLIMETERS NOMINAL MM
  • Hole Quantity: 2
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 302 or Steel Comp 304 Overall construction
General Description

The Clip,spring Tension, cataloged under National Stock Number 5340-01-434-1338, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Attwood Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, 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
NSN5340-01-434-1338
Primary Part Number11557-3
Item NameClip,spring Tension
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAttwood Corp
StatusACTIVE
Width20.0 MILLIMETERS NOMINAL MM
Hole Diameter3.9 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM
Style DesignatorSTANDOFF
MaterialSTEEL COMP 302 OR STEEL COMP 304 OVERALL
Material Document and ClassificationASTM A666 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Length45.0 MILLIMETERS NOMINAL MM
Hole Quantity2
Mounting MethodUNTHREADED HOLE(S)
Loop/holding Dimension25.4 MILLIMETERS NOMINAL MM
Material Thickness1.2 MILLIMETERS NOMINAL MM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 4
2835-00-888-3842SS21732 INTERCHANGEABLE
Seal,bearing
Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
3120-01-172-8912115573 INTERCHANGEABLE
Parts Kit,handle
Schuler Inc
5355-01-239-2064 INTERCHANGEABLE
Knob
4710-01-305-677011557-2 INTERCHANGEABLE
Pipe,metallic
Fmh Aerospace Corp.
Cross-Reference Index
Part NumberManufacturer
12421410 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12421410 Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA)
11557-1 Attwood Corp (USA)
11557-3 PRIMARY Attwood Corp (USA)
12421410 Amz Alabama Inc. (USA)
Related Parts
2835-00-888-3842INTERCHANGEABLE
SEAL,BEARING
SS21732
3120-01-172-8912INTERCHANGEABLE
PARTS KIT,HANDLE
115573
5355-01-239-2064INTERCHANGEABLE
KNOB
4710-01-305-6770INTERCHANGEABLE
PIPE,METALLIC
11557-2

Frequently Asked Questions

What is NSN 5340-01-434-1338?

NSN 5340-01-434-1338 is a Clip,spring Tension, manufactured by Attwood Corp, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-434-1338?

NSN 5340-01-434-1338 has 5 cross-referenced part numbers: 12421410 (U S Army Tank Automotive Command Amsta-Im-Mm), 12421410 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 11557-1 (Attwood Corp), 11557-3 (Attwood Corp), 12421410 (Amz Alabama Inc.).

What NSN replaces 5340-01-434-1338?

There are 4 known substitutes for 5340-01-434-1338: 2835-00-888-3842, 3120-01-172-8912, 5355-01-239-2064 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11557-3?

Key specifications for 11557-3: Width: 20.0 MILLIMETERS NOMINAL MM; Hole Diameter: 3.9 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM MM; Style Designator: STANDOFF; Material: STEEL COMP 302 OR STEEL COMP 304 OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com