PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FSC/MD-25Nut Strip

Fastener Specialty, Inc. · NSN 5310-01-185-8497 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-185-8497 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-185-8497. Primary manufacturer part number: FSC/MD-25.
Features
  • Nut Strip — FSC 5310
  • Lubrication: DRY FILM LUBRICANT
  • Material Document and Classification: MIL-N-45938 MIL SPEC 2ND MATERIAL RESPONSE NUT
  • Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OVERALL EXCEPT INSERT
  • Surface Treatment: CADMIUM NUT
  • Material: ALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT
  • Surface Treatment Document and Classification: MIL-N-45938 MIL SPEC 2ND TREATMENT RESPONSE NUT
  • Material: STEEL NUT
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 6061 Overall Except Insert construction
General Description

The Nut Strip, cataloged under National Stock Number 5310-01-185-8497, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastener Specialty, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-185-8497
Primary Part NumberFSC/MD-25
Item NameNut Strip
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastener Specialty, Inc.
StatusACTIVE
LubricationDRY FILM LUBRICANT
Material Document and ClassificationMIL-N-45938 MIL SPEC 2ND MATERIAL RESPONSE NUT
Surface Treatment Document and ClassificationMIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OVERALL EXCEPT INSERT
Surface TreatmentCADMIUM NUT
MaterialALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT
Surface Treatment Document and ClassificationMIL-N-45938 MIL SPEC 2ND TREATMENT RESPONSE NUT
MaterialSTEEL NUT
Material Document and ClassificationQQ-A-250/11 FED SPEC 1ST MATERIAL RESPONSE OVERALL EXCEPT INSERT
Surface TreatmentCHROMATE OVERALL EXCEPT INSERT
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread Class3B
Nominal Thread Size0.312 INCHES IN
Material Thickness0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Nut Length1.876 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN
Mating Member Diameter Accommodated1.658 INCHES MINIMUM AND 1.673 INCHES MAXIMUM IN
Aperture Quantity4
Nut Width1.876 INCHES MINIMUM AND 1.906 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-183-71837124 INTERCHANGEABLE
Bearing,roller,needle
Rbc Bearings Incorporated Div West Trenton Division
3030-00-504-1364 INTERCHANGEABLE
Belt,v
5905-01-135-7864 INTERCHANGEABLE
Resistor,thermal
6625-01-147-858700043 INTERCHANGEABLE
Lead Set,test
Simpson Electric Company, Inc.
5999-01-296-965243040-0033 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Honeywell International Inc Dba Honeywell
5935-01-394-9158100925 INTERCHANGEABLE
Connector,receptacle,electrical
The Gem City Engineering Co. Dba Libra Industries Div Libra Industries, Llc
6605-01-421-2407100925 INTERCHANGEABLE
Plotting Board,tactical Display
Astronautics Corporation of America
5985-01-641-3817100925 INTERCHANGEABLE
Mast
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
10110093 Nimikkeistokeskus Ncb Finland (FIN)
FSC/MD-25 PRIMARY Fastener Specialty, Inc. (USA)
ST3M546A10 The Boeing Company Div Defense (USA)
ST3M546B10 Abbotec, Incorporated Dba Abbotec Inc Div Abbotec Inc (USA)
S951-24A Stroco Manufacturing, Inc. Dba Stroco Manufacturing Inc (USA)
ST3M546B10 The Boeing Company Div Defense (USA)
1009-25 Fastener Specialty, Inc. (USA)
Related Parts
3110-00-183-7183INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
7124
3030-00-504-1364INTERCHANGEABLE
BELT,V
5905-01-135-7864INTERCHANGEABLE
RESISTOR,THERMAL
6625-01-147-8587INTERCHANGEABLE
LEAD SET,TEST
00043
5999-01-296-9652INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
43040-0033
5935-01-394-9158INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
100925
6605-01-421-2407INTERCHANGEABLE
PLOTTING BOARD,TACTICAL DISPLAY
100925
5985-01-641-3817INTERCHANGEABLE
MAST
100925

Frequently Asked Questions

What is NSN 5310-01-185-8497?

NSN 5310-01-185-8497 is a Nut Strip, manufactured by Fastener Specialty, Inc., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-185-8497?

NSN 5310-01-185-8497 has 7 cross-referenced part numbers: 10110093 (Nimikkeistokeskus Ncb Finland), FSC/MD-25 (Fastener Specialty, Inc.), ST3M546A10 (The Boeing Company Div Defense), ST3M546B10 (Abbotec, Incorporated Dba Abbotec Inc Div Abbotec Inc), S951-24A (Stroco Manufacturing, Inc. Dba Stroco Manufacturing Inc) and 2 more.

What NSN replaces 5310-01-185-8497?

There are 8 known substitutes for 5310-01-185-8497: 3110-00-183-7183, 3030-00-504-1364, 5905-01-135-7864 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FSC/MD-25?

Key specifications for FSC/MD-25: Lubrication: DRY FILM LUBRICANT; Special Features: ONE CENTRALLY LOCATED RD HOLE 1.658 IN. MIN DIA AND 1.673 IN. MAX DIA; FOUR CLINCH NUTS MOUNTED ON 1.497 IN. MIN X 1.503 IN. MAX MOUNTING CENTERS; NUTS EXTEND FOR A TOTAL THK OF 0.123 IN. MIN,0.183 IN. MAX; FOUR CORNERS 0.090 IN. NOM RADIUS; CLINCH NUTS ARE SELFLOCKING TYPE IN; Material Document and Classification: MIL-N-45938 MIL SPEC 2ND MATERIAL RESPONSE NUT; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OVERALL EXCEPT INSERT. 20 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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