PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51968Cover,rear

Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc · NSN 1680-01-163-0280 · FSC 1680 · No Item Name Available
Verified by PartsTable
NSN 1680-01-163-0280 — this item is cataloged by the U.S. Government under National Stock Number 1680-01-163-0280. Primary manufacturer part number: 51968.
Features
  • Cover,rear — FSC 1680
  • General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-252/4; BRIGHT TIN PLATE PER MIL-T-10727,TYPE 1; 5.220 IN. LG; 1.363 IN. W; 0.063 IN. THK IN
  • 1 verified cross-reference
  • Primary manufacturer: Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cover,rear, cataloged under National Stock Number 1680-01-163-0280, is classified within Federal Supply Class 1680 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1680-01-163-0280
Primary Part Number51968
Item NameCover,rear
FSC / FSG1680 / 16 — No Item Name Available
ManufacturerDucommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY PER QQ-A-252/4; BRIGHT TIN PLATE PER MIL-T-10727,TYPE 1; 5.220 IN. LG; 1.363 IN. W; 0.063 IN. THK IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5355-00-160-71051755762 INTERCHANGEABLE
Knob
Naval Ship Systems Command
4820-00-160-804351968 INTERCHANGEABLE
Diaphragm,valve,flat
Grove Valve Operations
3110-01-525-022551968 INTERCHANGEABLE
Bearing,roller,cylindrical
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
51968 PRIMARY Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA)
Related Parts
5355-00-160-7105INTERCHANGEABLE
KNOB
1755762
4820-00-160-8043INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
51968
3110-01-525-0225INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
51968

Frequently Asked Questions

What is NSN 1680-01-163-0280?

NSN 1680-01-163-0280 is a Cover,rear, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 1680 (No Item Name Available). Status: active.

What are the part numbers for NSN 1680-01-163-0280?

NSN 1680-01-163-0280 has 1 cross-referenced part number: 51968 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).

What NSN replaces 1680-01-163-0280?

There are 3 known substitutes for 1680-01-163-0280: 5355-00-160-7105, 4820-00-160-8043, 3110-01-525-0225. Verify interchangeability with system specifications before substitution.

What are the specifications of 51968?

Key specifications for 51968: End Item Identification: AIRCRAFT MODEL F-18; General Characteristics Item Description: ALUMINUM ALLOY PER QQ-A-252/4; BRIGHT TIN PLATE PER MIL-T-10727,TYPE 1; 5.220 IN. LG; 1.363 IN. W; 0.063 IN. THK IN. 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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